Canon 1737. §1 A person who contends that he or she has been injured by a decree, can for any just motive have recourse to the hierarchical Superior of the one who issued the decree. The recourse can be proposed before the author of the decree, who must immediately forward it to the competent hierarchical Superior.

§2 The recourse is to be proposed within the peremptory time-limit of fifteen canonical days. In the cases mentioned in can. 1734 §3, the timelimit begins to run from the day the decree was notified; in other cases, it runs in accordance with Can.
1735.

§3 Even in those cases in which recourse does not by law suspend the execution of the decree, or in which the suspension is decreed in accordance with can. 1736 §2, the Superior can for a serious reason order that the execution be suspended, but is to take care that the salvation of souls suffers no harm.
[NB see Authentic Interpretation of canon 1737, 20.VI.1987]

§1. Qui se decreto gravatum esse contendit, potest ad Superiorem hierarchicum eius, qui decretum tulit, propter quodlibet iustum motivum recurrere; recursus proponi potest coram ipso decreti auctore, qui eum statim ad competentem Superiorem hierarchicum transmittere debet.

§2. Recursus proponendus est intra peremptorium terminum quindecim dierum utilium, qui in casibus de quibus in can. 1734, §3 decurrunt ex die quo decretum intimatum est, in ceteris autem casibus decurrunt ad normam can. 1735.

§3. Etiam in casibus, in quibus recursus non suspendit ipso iure decreti exsecutionem neque suspensio ad normam can. 1736, §2 decreta est, potest tamen gravi de causa Superior iubere ut exsecutio suspendatur, cauto tamen ne quid salus animarum detrimenti capiat.