OPINION OF THE COURT
The United States appeals from a district court order quashing, subject to a limited exception, a number of grand jury subpoenas duces tecum. The wide-sweeping subpoenas, if enforced, would require a sole proprietor, who is a target of the grand jury’s investigation, to produce a host of records allegedly pertaining to his business and in his possession and control. Aside from those records required to be kept by law, the district judge, citing the protection against self-incrimination afforded by the fifth amendment, declined to direct that the requested documents be made available to the grand jury. We affirm.
I
This appeal arises out of an investigation by a federal grand jury in New Jersey into corruption relating to the awarding of county and municipal contracts. A portion of the investigation focused on the appel-lee, 1 who, according to the United States, operated as a sole proprietor several companies that did business with various units of local government. In November and December 1980, the appellee received five separate subpoenas duces tecum, which commanded him to appear before the grand jury and produce certain documents. Specifically, the appellee was directed to provide the jurors with numerous records relating to two of appellee’s companies, including ledgers, journals, workpapers, vouchers, bank statements, contracts, corporate minutes, etc.; 2 “all records, including but not limited to bank statements, cancelled checks, check stubs and deposit tickets” connected with specified bank accounts of the appellee or his companies; and the tele *329 phone toll records of certain businesses. The appellee moved to quash the subpoenas on fifth amendment grounds.
The district judge conducted two hearings before ruling on the appellee’s motion. Counsel for the United States conceded, for purposes of the argument, that “all the corporations described in the subpoenas are sole proprietorships,” and that the subpoenaed records “are in [the appellee’s] hands.” Additionally, the Government admitted that the documents it sought to obtain “will or may incriminate” the appellee. See note 17 infra.
In an opinion and order dated February 4, 1981, the district court granted substantially all the relief sought by the appellee. The court reasoned that, “[although the Fifth Amendment does not protect the records of corporations, unincorporated associations or partnerships, a sole proprietor can invoke the privilege to his benefit.” The court then determined that the fifth amendment right of the appellee would be infringed were he forced to turn over the various subpoenaed documents, inasmuch as the appellee thereby would be compelled to make an incriminating testimonial communication. In this connection, the district judge observed that “the [mere] act of producing the documents has communicative aspects which warrant Fifth Amendment protection.... [Enforcement of the subpoenas would compel [the appellee] to admit that the records exist, that they are in his possession, and that they are authentic.” The court accordingly granted the appel-lee’s motion to quash, except as the motion related to those subpoenaed items, such as tax returns and W-2 statements, that are required by law to be kept or to be disclosed to a public agency.
After its motion for reconsideration was denied, the United States filed a timely appeal. We have jurisdiction under 18 U.S.C. § 3731, which has been held to authorize an appeal by the Government from a district court order quashing a grand jury subpoena duces tecum.
See In re Grand Jury Empanelled (Colucci),
II
We proceed to analyze the scope of protection under the fifth amendment available to a sole proprietor whose records and papers have been subpoenaed by a grand jury. Our inquiry in this regard is fourfold: (A) Can the fifth amendment privilege be invoked by a sole proprietor in response to a subpoena for his business-related records? (B) If so, under the particular circumstances of this case, would compelled production of the subpoenaed documents amount to an incriminating testimonial communication, thereby entitling the appellee to take refuge in the protection afforded by the amendment? (C) Did, as the United-. States contends, the appellee fail to qualify for that protection by proffering an overly-broad motion to quash? (D) And, even if the appellee prevails with respect to the previous questions, can the Government nonetheless compel production of the requested records by suggesting that the act of their surrender be “immunized”?
A
As has often been noted, the constitutional privilege against self-incrimination is “essentially a
personal
one, applying only to natural individuals,”
United States
v.
White,
From this, the United States urges that the appellee should be obligated to turn over the documents requested here, however incriminating, for the same reasons that an individual in possession of corporate or partnership records is required to comply with a grand jury subpoena. The Government maintains that “it would be anomalous to hold that a corporation or partnership, no matter how small or personal, enjoys no fifth amendment rights, while a sole proprietorship, no matter how large and impersonal, is shielded from producing business records.” Brief for Appellant at 13.
Although the Government’s position has considerable analytic appeal,
3
it is clear that, under the present state of the law, the fifth amendment may be invoked by a sole proprietor regardless of the magnitude of his business. In
Beilis, supra,
the Supreme Court made it clear that, in evaluating a fifth amendment claim, the critical factor was not the
size
of the organization the records of which were being subpoenaed, but rather the
nature
of the capacity — either personal or representational — with respect to which the privilege was claimed. The
Beilis
Court drew “a bright line between organizations which have ‘a recognizable juridical existence apart from [their] members,’ ” such as corporations or partnerships, and “those which do not,” such as sole proprietorships.
In re Grand Jury Empan-elled (Colueei), supra,
It has long been established, of course, that the Fifth Amendment privilege against compulsory self-incrimination protects an individual from compelled production of his personal papers and effects as well as compelled oral testimony. .. . The privilege applies to the business records of the sole proprietor or sole practitioner as well as to personal documents containing more intimate information about the individual’s private life.
Id.
at 87-88,
In a straightforward application of Beilis, this Court rejected a previous effort on the part of the United States to construe the fifth amendment so as to distinguish between, for example, a small, family-operated sole proprietorship, and a large, corporate-like solely owned entity. Judge Garth, writing for the Court, noted that the deci-sional law clearly did not support such a distinction:
An individual who holds records in a representative capacity for a collective entity (e.g. a corporation, union or partnership) may not assert a Fifth Amendment privilege when he is compelled to produce those records. On the other hand, a sole proprietorship has no legal existence apart from its owner, and such records may be protected from disclosure by the Fifth Amendment.
In re Grand Jury Empanelled (Colucci), supra,
As the United States concedes, the appellee operates a number of sole proprietorships. Following
Beilis
and
In re Grand Jury Empanelled (Colucci),
therefore, we conclude that the case law dealing with documents held by representatives of a collective group does not defeat the appellee’s claim of privilege under the fifth amendment.
B
Before
Fisher v. United States,
Prior to
Fisher,
an unbroken line of cases repeated the axiom that an individual’s private papers were protected from compelled disclosure by the fifth amendment.
See Fisher, supra,
In
Fisher,
the majority seemingly diverged from these precedents. Justice White, writing for himself and five other Justices, noted that “[s]everal of
Boyd’s
express or implicit declarations have not stood the test of time,” asserted that “[t]he pronouncement in
Boyd
that a person may not be forced to produce his private papers” had been repeated in subsequent decisions as mere “dictum,” and concluded that “the prohibition against forcing the production of private papers has' long been a rule searching for a rationale consistent with the proscriptions of the Fifth Amendment against compelling a person to give ‘testimony’ that incriminates him.”
Applying the new test to the facts of the
Fisher
case, the Court concluded that requiring a defendant-taxpayer to produce an accountant’s workpapers in the taxpayer’s possession
5
would not violate the fifth amendment, regardless of how incriminating those papers might be to the taxpayer, because “the privilege protects a person only against being incriminated by his own compelled testimonial communications.”
The Court in
Fisher
recognized, however, that there were two situations where “[t]he act of producing evidence in response to a subpoena” could be said to have “communicative aspects of its own, wholly aside from the contents of the papers produced.”
*333
Fortified with this precedential perspective, we turn to a consideration of the dispute at bar. There can be little doubt that, had the grand jury subpoenas at issue here been directed to the appellee’s
personal
papers, his assertion of the fifth amendment would be in order. To be sure, the Supreme Court in
Fisher
explicitly left open the
Boyd
question,
viz,
“[wjhether the Fifth Amendment would shield the taxpayer from producing
his own
tax records [as opposed to an accountant’s workpapers] in his possession.”
It would appear from the face of the subpoenas that nearly all of the appellee’s records demanded by the Government are of a business, as opposed to a personal, nature, although the district court has made no finding on this score. The United States argues that, whatever the protection afforded by the courts to personal documents, the business records of a sole proprietorship should not be immune from compelled production for purposes of a criminal investigation. The Government stresses that no showing has been made that any of the documents subpoenaed here were prepared by the appellee, and contends that the items requested are of the type obtained, pursuant to subpoena, from corporations and partnerships.
See United States v. Osborn,
Our recent decision in
ICC v. Gould,
[W]here the records are not those of a collective entity, and are not held in a representative capacity, but are rather records of an individual proprietorship not separate or distinct from the sole proprietor, ... neither Beilis nor any ease to date holds that such records are without the individual proprietor’s fifth amendment privilege.
Furthermore, even if
Johanson
and
Gould
were construed more narrowly than we have read them, compelling the appellee, under the circumstances of this case, to respond to the grand jury’s subpoenas would bring about an impermissible incriminating “testimonial communication,” as that concept is defined and employed in
Fisher.
To be sure, the documents requested here, like those sought in
Fisher,
were voluntarily prepared, and therefore “cannot be said to contain compelled testimonial evidence” in and of themselves.
See Fisher, supra,
In
Fisher,
the Supreme Court stressed that the accountant’s workpapers in the taxpayer’s possession did not belong to the taxpayer, were not prepared by him, and did not contain his testimonial declaration. Obviously, such cannot be said about the documents in the present controversy, inasmuch as the papers the appellee seeks to protect belong to him and in all likelihood contain (possibly incriminating) declarations by him. More to the point, however, is the
*335
district court’s observation that forcing the appellee to produce his papers under the circumstances present here would give rise to “communicative aspects of its own” (quoting
Fisher,
Moreover, disclosure would contravene the concern evidenced in
Fisher
that persons not be compelled to authenticate self-incriminating documents. In
Fisher,
the Court noted that the accountant’s workpa-pers could be authenticated only by the accountant; thus, “[t]he documents would not be admissible in evidence against the taxpayer without authenticating testimony” in any event,
Fisher,
the government can give no assurances that the act of turning over the documents will not constitute incriminating admissions against [the appellee] either before the grand jury or at a subsequent trial, if he is indicted. The government argues that the existence, possession and *336 authenticity of the documents can be proved without [the appellee’s] testimonial communication, but it cannot satisfy this court as to how that representation can be implemented to protect [the appel-lee] in subsequent proceedings.
Appendix at 98 (footnote omitted). Under these circumstances, we are unable to say, as did the Court in
Fisher,
that responding to the subpoenas “would not appear to represent a substantial threat of self-incrimination.”
Accordingly, we hold, therefore, that enforcement of these subpoenas would result in a compelled testimonial communication, an outcome neither compatible with the fifth amendment nor consonant with
Fisher.
14
Our decision in no way impinges on the legitimate investigatory activities of law enforcement officials. For example, many of the records sought from the appellee in this case no doubt could be obtained by the Government from other sources. Similarly, the appellee would have no right to invoke the fifth amendment if the documents involved were not in his actual or constructive possession.
Couch v. United States,
C
Rather than identifying specific documents the production of which might prove to be incriminating, the appellee interposed a fifth amendment objection with respect to all of the documents subpoenaed by the grand jury. In
Gould, supra,
we observed that “a blanket citation of the privilege against self-incrimination will not suffice as a valid claim of the privilege.”
There are a number of appropriate responses to the Government’s position.
Gould
was a civil case, and the authorities cited therein for the above-quoted proposition also were civil cases.
See, e.g., National Life Insurance Co. v. Hartford Accident & Indemnity Co.,
D
Finally, the United States argues that the district court erred in not compelling the appellee to produce the subpoenaed documents subject to “the functional equivalent of use immunity with respect to the act of production.” Under this arrangement, presumably the appellee would turn over the requested records to the Government, which in turn would be obligated riot to use the appellee’s act of production against him in any way.
We are unpersuaded by the Government’s proposition. As the appellee stresses, although the Government, on a number of occasions, suggested to the district court that there were means by which the appellee’s act of production could be immunized, no procedure ever was agreed upon and no formal immunization offer under 18 U.S.C. § 6002 or § 6003 was advanced. Given this failure on the part of the Government to identify with particularity the immunity proposal it envisioned,
19
we cannot say that the district court erred in rejecting this approach, especially in view of the court’s finding that “the government can give no assurances that the act of turning over the documents will not constitute incriminating admissions against [the appellee] either before the grand jury or at a subsequent trial.” Appendix at 98; see
United States v. Garcia,
Because “no party requested the district court to award such immunity,” and in view of the Court’s traditional reluctance “to intrude into an area which should be more appropriately left to prosecutorial discretion,”
see In re Grand Jury Matter,
*338 III
For the foregoing reasons, the order of the district court will be affirmed.
Notes
. At oral argument, it was requested that, because of the ongoing nature of the grand jury inquiry, the Court not disclose either the name of the appellee or any identifying details relating to the investigation. Hence, throughout this opinion, the person against whom the grand jury subpoenas were directed will be referred to as “the appellee.”
. For example, the grand jury subpoena of December 19, 1980, directed “[a]ny authorized Officer or Representative” of one of the appel-lee’s companies to “testify before the Grand Jury and bring with you any and all books, records and documents as per the attached Schedule A for the period January 1, 1976 to present.” The items requested under Schedule A of the subpoena are:
1. General ledgers.
2. General journals.
3. Cash disbursement journals.
4. Cash receipts journals.
5. Vouchers.
6. Paid bills.
7. Invoices.
8. Billings.
9. Bank Statements
10. Cancelled checks and check stubs.
11. Payroll records.
12. Contracts and copies of contracts.
13. Subcontracting agreements and purchase orders.
14. Financial statements
15. Bank deposit tickets.
16. Retained copies of income tax returns.
17. Retained copies of payroll tax returns.
18. Purchase journals
19. Accounts payable ledgers.
20. Accounts receivable ledgers.
21. Stock Transfer book.
22. Corporate minutes.
23. Corporate charter.
24. Correspondence and memoranda.
25. Bids, Bid bonds and contracts.
. As the Court of Appeals for the First Circuit recently observed, if “[o]nly the personal self-created business records in the possession of a sole proprietor or practitioner . .. enjoy a privilege against subpoena,” and “only because of the form of business organization chosen by their creator,” such a rule would create “an irrational hole in the constitutional system of regulation of crime detection and would provide the individual with a remedy far exceeding the scope of his constitutional privilege.”
In re Grand Jury Proceedings (Martinez),
.
See
the cases and authorities cited by Judge Hunter in
In re Grand Jury Proceedings (Johan-son),
. Actually, the workpapers were not in the taxpayer’s possession, but rather in the hands of his attorney, to whom the subpoena had been directed. The Court considered the status of the records in the taxpayer’s hands, however, inasmuch as “[s]ince [the] taxpayer transferred possession of the documents in question from himself to his attorney, in order to obtain legal assistance, . .. the papers, if unobtainable by summons from the client, are unobtainable by summons directed to the attorney by reason of the attorney-client privilege.”
. In
Fisher,
there was no fear that compliance with the subpoena might provide the Government with the taxpayer’s useful admission that he was aware and in possession of the requested documents. The Government knew that the accountant’s workpapers existed and knew where they were located; therefore, the question was not one “of testimony but of surrender.” Moreover, inasmuch as it is not illegal to seek accounting advice, the taxpayer’s mere possession of these papers did not of its own accord pose “any realistic threat of incrimination to the taxpayer.”
. In the aftermath of
Fisher
and
Andresen v. Maryland,
.
See In re Grand Jury Subpoena Duces Tecum
(April 23, 1981),
. But see Note, The Rights of Criminal Defendants and the Subpoena Duces Tecum: The Aftermath of Fisher v. United States, supra note 7, at 692-94 (criticizing In re Grand Jury Proceedings (Johanson) as “inconsistent with Fisher,’’ inasmuch as “the change in fifth amendment jurisprudence seems to leave no room for an exception based on a privacy rationale”).
. Gould involved the validity of administrative investigatory procedures. Nonetheless, in that part of the opinion with which we are concerned, the Court assumed that the ICC could proceed only to the extent permitted by the *334 fifth amendment. It was necessary, therefore, for the Court to consider the protection afforded by that amendment to a sole proprietor’s business records.
. We recognize that language in
In re Grand Jury Empanelled (Colucci),
. At oral argument, counsel for the appellee asserted that the Government hitherto has been unable to establish a connection between the appellee and the businesses with respect to which documents were sought by the grand jury. To the extent, then, that ordering the appellee to comply with the subpoenas would furnish the United States with a “missing link” in its evidentiary chain — i.e., information that the appellee in fact operates the businesses and holds the bank accounts under review — a further incriminating testimonial communication would arise.
.
See In re Grand Jury Proceedings (Martinez),
.
In re Grand Jury Empanelled (Markowitz),
. Nothing in the above discussion should be taken to cast doubt upon the district court’s holding — which we affirm — that those subpoenaed documents in the appellee’s possession which are required either to be kept by law or to be disclosed to a public agency should be produced for the grand jury’s inspection.
See Shapiro v. United States,
. The record in this case does not contain a written motion to quash by the appellee. We suggest that future appellate review of questions relating to the possible overbreadth of motions to quash would be greatly assisted if such requests were preserved in written form.
. See Transcript of proceeding (Jan. 12, 1981). Appendix at 29:
THE COURT: Do you also concede that the documents which you seek will or may incriminate [the appellee]?
MR. ULWICK (for the United States): Yes, your Honor.
. Although the point may be obvious, we note that this appeal does not involve the question of the appropriate showing required of an individual who invokes the fifth amendment in response to a court order directing the production of documents, thereby risking the possibility of that person’s citation for civil contempt.
See, e.g., United States v. Rylander,
. Even on this appeal, the United States has described only vaguely the contours of any such immunity arrangement. In its brief, the appellant argues that the possibility
the grand jury would draw adverse inferences from [the appellee’s] act of production .. . could be eliminated ... by requiring [the appellee] to turn over the documents to the district court, to the prosecutor, a federal agent, or his own attorney.... Alternatively, the grand jury could be instructed by the court or by the prosecutor to draw no inferences from the act of production.
Brief for Appellant at 16-17 (emphasis-added).
.
See In re Grand Jury Proceedings (Martinez),
The Court’s theory will also limit the prosecution’s ability to use documents secured through a grant of immunity. If authentication that the document produced is the document demanded were the only testimony inherent in production, immunity would be a useful tool for obtaining written evidence .... The Court’s recognition that the act of production also involves testimony about the existence and possession of the subpoenaed documents mandates a different result. Under the Court’s theory, if the document is to be obtained the immunity grant must extend to the testimony that the document is presently in existence. Such a grant will effectively shield the contents of the document.
Fisher, supra,
