Review for Injustice and Judicial Limits

Ngizweninshuti v Muhima is a helpful Rwandan Supreme Court precedent for anyone dealing with review due to injustice. Its value lies less in the private quarrel between the parties and more in the procedural discipline it brings to review applications. The case appears to remind courts that the power to correct injustice is still a legal power. It must be exercised within the claims, judgments, and approved grounds properly before the court. That may sound technical, but it has practical force. A court that goes beyond the matter submitted to it may create a new injustice while trying to correct an old one.

The case is cited as Ngizweninshuti v Muhima, Supreme Court of Rwanda, RS/INJUST/RC 00024/2018/SC, judgment of 21 February 2020, cited in [2023] 1 Rwanda Law Reports. Later materials also refer to it as Ngizweninshuti Albert v Muhima Giovanni and cite paragraphs 18 to 22 for the principle on review due to injustice. The online official sources confirm the citation, date, court, and procedural rule, but they do not expose the full judgment heading in the accessible text. It is therefore safer to attribute the decision to the Supreme Court without naming an unverified panel. Anyone using the case in a filed submission should confirm the bench from the full Amategeko judgment or an authenticated court copy.

The factual setting can be described with caution. Civil proceedings had already taken place. After judgment, a party sought review due to injustice. The applicant asked the Supreme Court to examine complaints arising from the earlier litigation. The difficulty was not simply whether the applicant was unhappy with the result. The more precise question was whether the review procedure allowed the Court to consider matters that had not been properly raised, appealed, or included in the approved request for review. The case is therefore best understood as a dispute about the boundaries of judicial power at the review stage.

The legal issue may be framed in ordinary language. When the Supreme Court receives an application for review due to injustice, may it reopen all matters between the parties, or must it confine itself to the alleged injustice that properly arises from the judgment under review and from the applicant's approved submissions? The question matters because review due to injustice sits between two competing legal values. On one side is the need to correct serious wrongs. On the other is the need to respect final judgments, time limits, and the way parties framed their claims.

The Court's answer, as later explained in reported decisions, was that review due to injustice is not an unlimited rehearing. A party who had ordinary or extraordinary remedies but did not exercise them in time is treated as having deprived himself or herself of the appeal route that could have corrected the complaint. Such a party cannot then use review due to injustice to revive grounds that were left unappealed. The Court also limited the subject matter of review. The scope is determined by the first instance ruling, the judgment sought to be reviewed, and the submissions made by the applicants after approval by the President of the Supreme Court.

The rule of law is therefore clear. In review due to injustice, the court must stay within the legally defined perimeter of the review. It may examine the alleged injustice in the judgment under review, but it should not decide new issues, abandoned issues, late appeal grounds, or claims that fall outside the approved request. The review court is not given a roaming commission to settle every possible dispute between the same parties. It has authority over the matter that the law allows it to examine. That distinction is a useful restraint on both applicants and judges.

This rule matters because civil litigation depends on predictability. A party should know the case it has to answer. If an applicant is allowed to raise new matters at the review stage, the opposing party may be forced to defend against claims that were never pleaded or admitted for review. If a court decides beyond the approved issues, the opposing party may lose the chance to prepare evidence, legal argument, or procedural objections. Ngizweninshuti may suggest that fairness is not only about reaching a morally satisfying result. It is also about keeping the process within the boundaries that gave each side a fair hearing.

There is also a separation between correction and relitigation. Review due to injustice should correct serious injustice in a final judgment. It should not become a fresh lawsuit. Imagine, for example, that a party in a property dispute did not appeal a finding about ownership but later seeks review and asks the Court to decide new claims about rent, improvements, or damages that were not part of the approved review request. The principle in Ngizweninshuti would help the opposing party argue that those matters are outside the review. The court may address the injustice properly before it, but it should not reconstruct the entire litigation from the beginning.

The case is particularly useful when one side alleges that a court acted beyond mandate. In civil procedure, a court normally decides the dispute presented to it. It does not create claims for the parties. A review court is even more constrained because it is dealing with a case that has already produced judgment. If the earlier process contained an injustice, the review court may correct it. Yet the correction must be linked to the judgment under review and to the authorized grounds. Otherwise, the review process risks becoming unpredictable and unfair to the party who had already secured a final decision.

For advocates preparing review applications, the practical lesson is to be exact. The application should identify the judgment complained of, the holding or paragraph said to cause injustice, the reason ordinary remedies did not cure the problem, and the specific relief sought within the approved scope. It is not enough to write that the previous judgment was unfair. A review application should show the legal route by which the alleged injustice is properly before the court. If the complaint was capable of appeal and no appeal was brought in time, the applicant should expect a challenge based on Ngizweninshuti.

For advocates resisting review, the case gives a useful checklist. Is the applicant trying to introduce a new claim? Is the applicant reviving an appeal ground after the time limit? Is the requested remedy outside the judgment under review? Are the submissions broader than the approval given by the President of the Supreme Court? If any of these questions point toward overreach, Ngizweninshuti can be used to argue that the review should be limited or rejected. The argument is not merely procedural obstruction. It is an argument about the lawful scope of the Court's authority.

For judges, the decision offers a quiet but important method. Before examining the merits, the court should identify the boundaries of the review. What judgment is under review? What alleged injustice was approved for examination? What issues were already before the lower courts? What was appealed, and what was not? This early sorting helps the court avoid deciding beyond the request. It also helps prevent review due to injustice from undermining the hierarchy of remedies created by statute. That is not empty formalism. It protects legal certainty and the right of each party to know the dispute being decided.

The precedent also fits into a broader Rwandan line of authority. Later reports show reliance on Ngizweninshuti in Sonarwa Life Assurance Company Ltd v Rugina, where the court rejected attempts to rely on review due to injustice for issues that had not been appealed. The case is also connected to Prosecution v Magara et al, where the scope of review was again described by reference to the first instance ruling, the judgment under review, and the applicants' approved submissions. This later use suggests that Ngizweninshuti has become part of a developing doctrine on the limits of the exceptional review jurisdiction.

There is a useful criticism to keep in mind. A strict boundary rule may sometimes feel uncomfortable where the earlier proceedings were genuinely flawed. A party may argue that the injustice is so serious that the Court should not be trapped by technical limits. That concern should not be dismissed too quickly. Yet the answer is not to let review become unlimited. The better approach, which Ngizweninshuti appears to support, is to ask whether the alleged injustice properly falls within the statutory review path. Seriousness alone does not create jurisdiction over matters that were never lawfully brought before the court.

The importance of Ngizweninshuti is that it treats judicial restraint as part of justice. Review due to injustice remains available, but it is not a blank cheque. The case helps courts correct injustice without turning final judgments into provisional drafts. It helps parties frame their applications with care. It also reminds advocates that the strongest review argument is not the loudest complaint of unfairness, but the one that shows precisely how the alleged injustice falls within the court's lawful mandate.

Source note. This article is based on the Rwanda Law Reports, Vol. 1 [2023], especially the review-for-injustice discussion in Sonarwa Life Assurance Company Ltd v Rugina and its reference to Ngizweninshuti v Muhima. It also refers to the Rwanda Law Reports, Vol. 3 [2023], especially Prosecution v Magara et al, with reference to Law No. 30/2018 determining the jurisdiction of courts. It is prepared for public legal education only and should not be treated as legal advice for any specific review application.

Suggested citation

Ronald Serwanga, “Review for Injustice and Judicial Limits” East Africa Legal Insight (26 July 2026).