In more urgent occult cases, if the ordinary or, when it concerns the irregularities mentioned in can. 1041, nn. 3 and 4, the Penitentiary cannot be approached and if there is imminent danger of grave harm or infamy, a person impeded by an irregularity from exercising an order can exercise it, but without prejudice to the obligation which remains of making recourse as soon as possible to the ordinary or the Penitentiary, omitting the name and through a confessor.
Source: Code of Canon Law (Vatican.va)