For the Kims, like many income-producing U.S. residents, the tax man cometh, but the Kims, by taking the offensive and suing the Internal Revenue Service (IRS), have been unusually unwelcoming. Calvin Ki Sun Kim and Chun Cha Kim are tax protesters who, in an action for unspecified damages, allege the IRS violated the Taxpayer Bill of Rights, failed to comply with various statutes, and perpetrated an “ongoing campaign of harassment by correspondence.” Compl. at 6. The Kims’ lawsuit is one of many similar actions brought by tax protestors accusing the IRS of a miscellany of misconduct.
I
From 1998 through 2003, the Kims did not regularly file tax returns. When they did file, their tax returns did not include required information. Unsurprisingly, in 2002 the IRS contacted the Kims about their frivolous or missing returns. The resulting correspondence between the Kims and the IRS is the gravamen of this suit.
The Kims insist they are not required to file individual income tax returns because the IRS did not maintain proper records or perform all duties required by law.
See
Compl. at 6-8. Based on these alleged failures, the Kims filed suit in the United States District Court for the District of Columbia in September 2008. Their complaint asserted twenty-one separate counts of wrongdoing against the United States; the Commissioner of the IRS; IRS employees Dennis Parizek, Scott Prentky, and A. Chow; and four unknown IRS agents (collectively “Defendants”). Specifically, the Kims’ complaint alleged “denial of the right to due process of the tax law, administrative law, and record-keeping law of the United States,” Compl. at 1, and “disregard of provisions of the tax law of the United States and regulations promulgated thereunder,” Compl. at 2. For redress of these claimed violations, the Kims sought damages pursuant to
Bivens v. Six Unknown Named Agents of Fed. Bureau
*715
of Narcotics,
The district court dismissed Counts 1 through 18 — the
Bivens
claims — under Federal Rule of Civil Procedure 12(b)(1), holding it lacked jurisdiction to hear the Kims’ claims against the Defendants in their official capacities, and under Rule 12(b)(6), for failure to state a claim because no
Bivens
remedy exists for claims against the Defendants in their individual capacities.
Kim v. United States,
We affirm the judgment of the district court with regard to Counts 1 through 18 because no Bivens claim is available against the Defendants in their official capacities and no Bivens remedy is available against the Defendants in their individual capacities. But we find, contrary to the holding of the district court, that Counts 19 (relating to liens and levies) and 20 (failure to provide notice of tax assessment) relate to “collection activities” under the Taxpayer Bill of Rights and are therefore within the subject-matter jurisdiction of the federal courts. That said, we affirm the district court’s dismissal of Count 19 for lack of subject-matter jurisdiction, albeit for a different reason. Moreover, the Kims were not required to plead exhaustion pursuant to the Taxpayer Bill of Rights in order to survive the Defendants’ motion to dismiss Counts 20 and 21. We therefore affirm the district court with respect to Counts 1 through 19, and reverse with respect to Counts 20 and 21.
We review
de novo
the district court’s grant of a motion to dismiss for lack of subject-matter jurisdiction under Rule 12(b)(1),
Am. Fed’n of Gov’t Emps., AFL-CIO, Local 446 v. Nicholson,
II
A
To the extent the Kims asserted
Bivens
claims against the Defendants in their official capacities, the district court dismissed the claims under Rule 12(b)(1).
Kim,
*716 B
The district court concluded Counts 19 and 20 were subject to dismissal under Rule 12(b)(1) for lack of subject-matter jurisdiction because the challenged conduct was unrelated to “collection activity” as required by the Taxpayer Bill of Rights.
The Taxpayer Bill of Rights provides:
If, in connection with any collection of Federal tax with respect to a taxpayer, any officer or employee of the Internal Revenue Service recklessly or intentionally, or by reason of negligence, disregards any provision of this title, or any regulation promulgated under this title, such taxpayer may bring a civil action for damages against the United States in a district court of the United States.
26 U.S.C. § 7433(a) (emphasis added). Section 7433 applies only to collection-related activities.
See Miller v. United, States,
Count 20 alleges violations of Internal Revenue Code § 6303. Section 6303 requires the Secretary to provide a taxpayer notice of assessment within sixty days of making the assessment. That notice must “stat[e] the amount [of an unpaid tax] and demand[] payment....” 26 U.S.C. § 6303(a). Section 6303 appears in Chapter 64 of the Internal Revenue Code, which is aptly entitled “Collection.” This placement is persuasive. Moreover, we think a demand for payment is certainly “in connection with any collection of Federal tax.” That the demand is also a notice of assessment does not change this conclusion. A tax assessment is “essentially a bookkeeping notation,” recording a taxpayer’s liability.
Hibbs v. Winn,
In addition, § 6303 requires notice of assessment “after the making of an assessment of a tax pursuant to section 6203.” 26 U.S.C. § 6303. Unlike § 6303, however, § 6203 appears in the statutory chapter entitled “Assessment” and does not require prior notice to the taxpayer.
See
26 U.S.C. § 6203 (“Upon request of the taxpayer, the Secretary shall furnish the taxpayer a copy of the record of the assessment.”) Placement of the provision requiring notice of assessment in the chapter pertaining to “collection” is not happenstance. It strongly suggests the notice of assessment referred to in § 6303 per
*717
tains to collections, while those actions authorized under § 6203 do not.
See Miller,
Count 19 alleges violation of 26 U.S.C. § 6301 and the IRS Restructuring and Reform Act of 1998, which together require the Commissioner to develop and implement review and disciplinary procedures for an IRS employee’s decision to file a notice of lien, levy, or seizure. Pub.L. 105-206, § 3421, 112 Stat. 685, 758. Like § 6303 — the statutory section underlying Count 20 — § 6301 is also located in the IRC chapter on “Collection.” The text of § 6301 provides, “[t]he Secretary shall collect the taxes imposed by the internal revenue laws.” (emphasis added). And the 1998 amendment to § 6301 added provisions detailing procedures for executing hens, levies, and seizures on a taxpayer’s property. Pub.L. 105-206, § 3421, 112 Stat. 685, 758. The process of executing liens, levies, or seizures on property inherently involves collection activity; the purpose of a lien, levy, or seizure is to collect assets in exchange for a debt owed. Accordingly, the procedures described in § 6301 also entail some collection activities.
But Count 19 suffers from another jurisdictional infirmity. As counsel conceded at oral argument, the Kims never alleged they experienced the effects of an improper hen, levy, or seizure. Or. Arg. Recording at 6:19-52. Thus, they lack the critical prerequisite of standing.
Lujan v. Defenders of Wildlife,
Ill
Having resolved the jurisdictional issues presented, we now turn to the dismissals for failure to state a claim.
A
To the extent Counts 1 through 18 were based on the Kims’ assertion of
Bivens
claims against the Defendants in their individual capacities, the district court dismissed these counts under Rule 12(b)(6), holding no
Bivens
remedy was available in light of the comprehensive remedial scheme set forth by the Internal Revenue Code.
Kim,
B
We now turn to the district court’s dismissal of Counts 20 and 21 under Rule 12(b)(6). The Kims contend the district court erred because under
Jones v. Bock,
In
Jones v. Bock,
prisoner Lorenzo Jones filed suit under 42 U.S.C. § 1983 claiming prison officials displayed deliberate indifference to his medical needs.
In pertinent part, the PLRA “provides that ‘[n]o action shall be brought’ unless administrative procedures are exhausted.”
Id.
at 220,
Jones’s
focus on the text of the PLRA is instructive here. Section 7433 of the Taxpayer Bill of Rights provides that “[a] judgment for damages shall not be awarded ... unless ... the plaintiff has exhausted the administrative remedies available. ...” 26 U.S.C. § 7433(d)(1). As the Court in
Jones
read the phrase “no action shall be brought,” we read the phrase “a judgment for damages shall not be awarded” as boilerplate. Nothing in the text of § 7433 “supports] treating exhaustion as a pleading requirement rather than an affirmative defense.”
Jones,
In dismissing Claims 20 and 21, the district court held the Kims’ failure to exhaust appeared on the face of the complaint and therefore, under
Jones,
the complaint was subject to dismissal under Rule 12(b)(6). In support, the district court pointed to the Supreme Court’s quotation in
Jones
of a Third Circuit case stating that “ ‘a complaint may be subject to dismissal under Rule 12(b)(6) when an affirmative defense ... appears on its face.’ ”
Id.
(quoting
Leveto v. Lapina,
It is evident to us that the Kims’ alleged failure to exhaust did not appear on the face of the complaint. As the
Jones
Court explains, “[wjhether a particular ground for opposing a claim may be the basis for dismissal for failure to state a claim depends on whether the allegations in the complaint suffice to establish that ground, not on the nature of the ground in the abstract.”
Id.; cf. Thompson v. DEA,
District courts may refer to materials outside the pleadings in resolving a 12(b)(6) motion. But when they do, they must also convert the motion to dismiss into one for summary judgment. Fed. R.Civ.P. 12(d);
see also Wiley v. Glassman,
Because exhaustion is not a pleading requirement under the Taxpayer Bill of Rights, the Kims were free to omit exhaustion from their pleadings. And since the Kims did omit it from their pleadings, the district court necessarily was required to consider matters outside the pleadings to determine the validity of the Defendants’ affirmative defense. It is true that the Kims’ response to the motion to dismiss could have resolved the question. It is equally true that recalcitrance has been the Kims’ primary litigation strategy. But a motion to dismiss may not compel full disclosure concerning efforts to exhaust; a summary judgment motion would.
In sum, we remand to the district court with instructions to provide the Kims the procedural safeguards mandated by Rule 12(d) and Rule 56 prior to converting a motion to dismiss to a motion for summary *720 judgment. At that point, the Kims will have been provided sufficient notice and opportunity, and any continued recalcitrance will find no comparable procedural safe haven. We note that because the district court’s dismissal under Rule 12(b)(6) was in error, we need not reach the Kims’ contention that 26 C.F.R. § 301.7433-1 is an interpretive regulation.
rv
We affirm the district court’s order insofar as it dismissed Counts 1 through 18 for want of subject-matter jurisdiction under Rule 12(b)(1) because no Bivens claim exists against the Defendants in their official capacities, and under Rule 12(b)(6) because no Bivens remedy exists against the Defendants in their individual capacities. We also affirm the district court’s dismissal of Claim 19 under Rule 12(b)(1) because the Kims lack standing. We reverse the district court, however, to the extent it dismissed Count 20 as unrelated to “collection activity” under the Taxpayer Bill of Rights, and Counts 20 and 21 for failure to state a claim under Rule 12(b)(6) because the Kims were not required to plead exhaustion under the Taxpayer Bill of Rights. We therefore remand for further proceedings consistent with this opinion.
So ordered.
Notes
. The proper name of the Act is the Internal Revenue Service Restructuring and Reform Act of 1998, Pub.L. No. 105-206, §§ 3000-3804, 112 Stat. 685, 726-83 (codified in scattered titles of the U.S.C.); however, we refer to it by its popular name throughout this opinion.
See Preslar v. Comm’r,
