Following a jury trial in 1975, the Denver District Court entered judgment convicting the defendant, Gerald Reed Moland, of robbery and conspiracy to commit robbery. Seven years later, after he had served the sentences imposed, the defendant filed a motion under Crim.P. 35(c) seeking to vacate the judgment of conviction. The trial court held a hearing and thereafter denied the motion. The Colorado Court of Appeals, in an unpublished opinion, reversed the trial court’s ruling because of lack of sufficient findings and conclusions, and remanded the case for further proceedings. Following a rehearing, the trial court again denied the motion, holding, among other things, that the defendant had not demonstrated a present need for postconviction relief. The defendant again appealed to the court of appeals. The court held that while present need for postconviction relief had existed at the time the defendant originally filed his motion, the defendant’s motion had become moot because the need had dissipated. The court of appeals accordingly dismissed the appeal. The defendant then sought review by writ of certiorari to this court. We granted certiorari and now reverse the judgment of the court of appeals.
I.
On February 13, 1975, a Denver District Court jury found the defendant guilty of robbery, § 18-4-301, 8 C.R.S. (1973), and conspiracy to commit robbery, § 18-2-201, 8 C.R.S. (1973), and thereafter the court sentenced him to probation. The defendant *139 did not appeal from the judgment of conviction. On June 2, 1977, the defendant’s probation was revoked and he was sentenced to concurrent terms of imprisonment of ten years for robbery and five years for conspiracy to commit robbery.
On July 28, 1982, after he had completed service of his sentences, the defendant filed a motion for postconviction relief pursuant to Crim.P. 35(c), seeking to vacate the robbery and conspiracy convictions. At the time the defendant sought postconviction relief, he faced habitual criminal charges in a separate case, and the judgment of conviction he sought to vacate was alleged as a predicate offense for adjudication of the defendant as an habitual criminal. A hearing was held on the defendant’s motion on August 18,1982, after which the trial court took the matter under advisement. The trial court denied the motion, after further argument, on September 14,1982. On that same day, the habitual criminal charges were dismissed.
The defendant appealed the trial court’s denial of his postconviction relief motion to the court of appeals. On appeal, the prosecution argued that no present need for postconviction relief existed because the defendant had fully served the sentences for the 1975 conviction and the habitual criminal charges in the second case had been dismissed. The court of appeals, in an unpublished opinion, held that because the habitual criminal charges were pending when the defendant’s motion was filed, present need existed when relief was sought. Moreover, the court stated, the prosecution had raised the present need issue for the first time on appeal. The court implied that the prosecution had thereby waived appellate consideration of present need. The court, however, remanded the case to the trial court for findings of fact and conclusions of law regarding the merits of the defendant’s Crim.P. 35(c) motion since the trial court’s ruling lacked sufficient detail to permit appellate review.
On remand, the trial court held that the defendant did not have a present need for relief. The court then ruled on the merits of the defendant’s motion, holding that there was no error justifying postconviction relief. The defendant appealed the ruling to the court of appeals. In its second opinion, the court of appeals held that even though the defendant had a present need when his motion for postconviction relief was filed, the dismissal of the habitual criminal charge made his motion and his appeal moot. Accordingly, the court dismissed the appeal without addressing the merits.
People v. Moland,
II.
The court of appeals held that while the defendant had a present need at the time he filed his Crim.P. 35(c) motion, the dismissal of the habitual criminal charge rendered his appeal from the denial of the Crim.P. 35(c) motion moot. The defendant argues that the court of appeals erred in applying the mootness doctrine to this case. We agree that the case is not moot.
In
Sibron v. New York,
The question of the validity of a criminal conviction can arise in many contexts ... and the sooner the issue is fully litigated the better for all concerned. It is always preferable to litigate a matter when it is directly and principally in dispute, rather than in a proceeding where it is collateral to the central controversy. Moreover, *140 litigation is better conducted when the dispute is fresh and additional facts may, if necessary, be taken without a substantial risk that witnesses will die or memories fade. And it is far better to eliminate the source of a potential legal disability than to require the citizen to suffer the possibly unjustified consequences of the disability itself for an indefinite period of time before he can secure adjudication of the State’s right to impose it on the basis of some past action.
Sibron,
We addressed the doctrine of mootness as it relates to postconviction proceedings in
People v. Bucci,
(c) Where an applicant has completed service of a challenged sentence and belatedly seeks postconviction relief, he or she can be charged with the burden of showing present need for such relief. A sufficient showing of present need is made where:
(i) an applicant is facing prosecution or has been convicted and the challenged conviction or sentence may be, or has been, a factor in sentencing for the current offense;
(ii) an applicant may be disadvantaged in obtaining parole under a later sentence; or
(iii) an applicant is under a civil disability resulting from the challenged conviction and preventing the applicant from a desired and otherwise feasible action or activity.
We held that under the circumstances of the case, “where the defendant has long since served his sentence, time has dimmed memories, and court records are misplaced or unavailable. ... the defendant has the burden of demonstrating a present need for Crim.P. 35(b) relief.”
Bucci,
III.
The defendant argues that the prosecution, by failing to raise the issue of
*141
present need at the initial Crim.P. 35(c) hearing, waived any future requirement that the defendant demonstrate present need. A review of the record reveals that the prosecution did not object to the defendant’s failure to show present need at the first hearing. As a result, the People lost the right to require that the defendant show present need, at least for purposes of the first appeal.
Cf. Steagald v. United States,
In its first, unpublished opinion, the court of appeals stated that because the defendant was facing habitual criminal charges when he filed his motion for post-conviction relief, he had a present need for such relief. Additionally, the court stated that the prosecution had raised the present need issue for the first time on appeal, implying that the prosecution had waived consideration of the issue. The court then remanded the case to the trial court for resolution of the defendant’s motion. In its order to the parties after remand, the trial court stated that one of the issues to be determined at the second hearing was “[d]oes Moland have a present need for the relief sought?” The order further stated that “[i]t is assumed that there will be no dispute as to the facts on the present need question. If there is a dispute the parties should present any additional evidence at the hearing.” The parties presented no evidence at the second hearing regarding present need, although both sides argued the issue at the conclusion of the hearing. The trial court found that no present need existed. While the prosecution lost the right to assert the present need requirement for purposes of the first hearing, the issue was properly reargued on remand because the trial court introduced the issue at its own instance before the second hearing.
The defendant argues, however, that the court of appeals’ ruling in its original decision resolved the present need issue against the prosecution and that the ruling became the law of the case. Consequently, the defendant contends, the trial court was precluded from allowing reargument on the issue.
The pronouncement of an appellate court on an issue in a case presented to it becomes the law of the case. Rulings logically necessary to the holding of the appellate court also become the law of the case. The law of the case as established by an appellate court must be followed in subsequent proceedings before the trial court.
People v. Roybal,
*142 IV.
As we stated above, under section 22-2.-4(c) of the ABA Standards the defendant has the burden of demonstrating a present need for postconviction relief when the defendant has completed service of the sentence for the challenged conviction and belatedly seeks such relief.
Muniz,
The defendant cites
Bucci
and
Muniz
in support of his argument. In
Bucci,
the defendant requested postconviction relief from a conviction that was over twenty years old and for which the sentence imposed had been served. Nevertheless, both the trial court and this court considered the merits of the defendant’s motion for post-conviction relief. There is no indication, however, whether present need existed in
Bucci
at the time the defendant filed his motion for postconviction relief or whether if present need existed at that time, it dissipated prior to appeal. Moreover, the trial court ruled on the defendant’s motion before we adopted the present need standard. While we adopted the standard on appeal in
Bucci
and held that “[w]hen confronted by a situation such as this one, the trial court should require the defendant to make an
in limine
showing that he has a present need for relief under the guidelines of [ABA Standard] 2.4(c),” we did not require the defendant to make such a showing. Rather than remanding the case to the trial court for findings in accordance with the present need standards, we proceeded to resolve the defendant’s Rule 35 motion on the merits.
See Bucci,
Muniz
was a consolidated appeal involving two defendants who had moved for postconviction relief after having served their sentences. We held that in each defendant’s case the trial court correctly concluded that the defendant had shown a present need for the relief sought under section 22-2.4(c) of the ABA Standards.
Muniz,
*143
The People argue that a trial court may determine the issue of present need any time it has jurisdiction over the matter, citing
People v. Hampton,
The precedents discussed above provide a partial framework for the more detailed procedure that we now hold to be appropriate for resolution of present need issues. As a threshold matter, a party seeking postconviction relief must allege with particularity in his motion for such relief that present need exists for the relief sought.
Cf. People v. Bruebaker,
For the same reasons that a defendant’s claim should be dismissed if the present need alleged in the original motion dissipates, when a different present need arises prior to the hearing on the motion, the defendant should be allowed to amend his original petition to allege the new present need. Because of “the inevitable delays in our court processes,”
Carafas v. LaVallee,
Like amendments to complaints in civil actions, amendments to motions for post-conviction relief that reflect changes in present need should generally be allowed “to secure the just, speedy, and inexpensive determination of every action.”
Varner v. Dist. Court,
If the underlying facts or circumstances relied upon by a plaintiff may be a proper subject of relief, he ought to be afforded an opportunity to test his claim on the merits. In the absence of any apparent or declared reason — such as undue delay, bad faith or dilatory motive on the part of the movant, repeated failure to cure deficiencies by amendments previously allowed, undue prejudice to the opposing party by virtue of allowance of the amendment, futility of amendment, etc. — the leave sought should, as the rules require, be ‘freely given.’
Varner,
If a motion is amended to assert a new or different present need, the trial court must then determine at the hearing on the motion whether the claim may be heard on the merits based on the new present need. At the hearing the defendant has the burden of demonstrating, under the guidelines of section 22-2.4 of the ABA Standards, the existence of a present need for the relief sought.
Muniz,
In this case it is undisputed that the original present need dissipated when the habitual criminal charges were dismissed. The defendant therefore had the burden to allege and prove a new present need.
See Muniz,
The judgment of the court of appeals is reversed and the case is returned to that court with directions to remand the matter to the trial court for further proceedings in accordance with the views expressed in this opinion.
Notes
. Crim.P. 35(b), in effect at the times relevant in Bucci, was amended on November 13,1979, and is now Crim.P. 35(c). While Crim.P. 35(c) is more extensive than its predecessor, key substantive provisions are essentially similar and our analysis of present need in the context of a Crim.P. 35(b) motion in Bucci applies equally to our determination of the procedure for addressing present need under Crim.P. 35(c).
. Crim.P. 35(b) as it existed when Bucci was decided is now found at Crim.P. 35(c). See n. 1, above.
. We do not believe it to be practicable to permit consideration by an appellate court of either new bases of present need arising subsequent to the trial court’s determination of a motion for postconviction relief or dissipation of any present need upon which the trial court’s ruling was based. The necessary factual determinations to resolve these issues cannot be made at the appellate level, and we believe that a procedure for limited remand would be cumbersome and would not contribute to efficient use of judicial resources.
. The defendant contends that a new present need does exist. He argues that the 1975 convictions made him ineligible for probation in the 1982 case. See § 16-11-201(2), C.R.S. (1986). We express no opinion on the merits of the defendant’s argument, as the question of whether a new present need exists is to be resolved by the trial court on remand.
. A defendant's right to obtain postconviction relief is limited by the operation of § 16-5-402, 8A C.R.S. (1986), a statute of limitations for collateral attacks on criminal convictions. Therefore, in addition to raising the present need issue properly in a Crim.P. 35 motion, a defendant must bring the motion within the appropriate statute of limitations or demonstrate that the facts fall within one of the several statutory exceptions thereto. The parties did not raise the applicability of § 16-5^102 or the statute’s relationship to present need as issues in this case. We therefore do not address the statute’s operation here.
