Art. 59 O.G.; computation of the sixty-day federal complaint period in state-law matters; if the last day falls on a Sunday, the complaint must nevertheless be filed by that day, as the civil-procedure rule extending the deadline to the next working day is inapplicable to staatsrechtliche Sachen. A complaint lodged only on the following Monday is out of time and must be dismissed without entering into the merits (consid. 1).