Canon 1445. §1 The supreme Tribunal of the Apostolic Signatura hears:

1° plaints of nullity, petitions for total reinstatement and other recourses against rotal judgements;

2° recourses in cases affecting the status of persons, which the Roman Rota has refused to admit to a new examination;

3° exceptions of suspicion and other cases against Auditors of the Roman Rota by reason of things done in the exercise of their office;

4° the conflicts of competence mentioned in can. 1416.

§2 This same Tribunal deals with controversies which arise from an act of ecclesiastical administrative power, and which are lawfully referred to it. It also deals with other administrative controversies referred to it by the Roman Pontiff or by departments of the Roman Curia, and with conflicts of competence among these departments.

§3 This Supreme Tribunal is also competent:

1° to oversee the proper administration of justice and, should the need arise, to take notice of advocates and procurators;

2° to extend the competence of tribunals;

3° to promote and approve the establishment of the tribunals mentioned in cann.
1423 and 1439.

§1. Supremum Signaturae Apostolicae Tribunal cognoscit:

1° querelas nullitatis et petitiones restitutionis in integrum et alios recursus contra sententias rotales;

2° recursus in causis de statu personarum, quas ad novum examen Rota Romana admittere renuit;

3° exceptiones suspicionis aliasque causas contra Auditores Rotae Romanae propter acta in exercitio ipsorum muneris;

4° conflictus competentiae de quibus in can. 1416.

§2. Ipsum Tribunal videt de contentionibus ortis ex actu potestatis administrativae ecclesiasticae ad eam legitime delatis, de aliis controversiis administrativis quae a Romano Pontifice vel a Romanae Curiae dicasteriis ipsi deferantur, et de conflictu competentiae inter eadem dicasteria.

§3. Supremi huius Tribunalis praeterea est:

1° rectae administrationi iustitiae invigilare et in advocatos vel procuratores, si opus sit, animadvertere;

2° tribunalium competentiam prorogare;

3° promovere et approbare erectionem tribunalium, de quibus in can. 1423 et 1439.