Numbers 9:2-7

Thomson(i) 2 Give orders, and let the children of Israel keep the passover in its appointed season. 3 On the fourteenth day of this first month, towards evening, thou shalt celebrate it in its season. According to its rites, and according to its institution, thou shalt celebrate it. 4 Accordingly Moses spoke to the children of Israel to keep the passover 5 on the fourteenth day of the first month, in the wilderness of Sina. And when the children of Israel were doing as the Lord commanded Moses, 6 there were some men who were defiled by the dead body of a man, and could not keep the passover; so these men came to Moses and Aaron on that day, 7 and said to them, We are defiled by the dead body of a man, must we therefore be deprived of the opportunity of offering our gift to the Lord, in its appointed season, among the children of Israel: