For the LORD said to Moses, "They shall offer their offering, one leader each day, for the dedication of the altar."
Numbers 7:11
Surrounding context
7:10 Now the leaders offered the dedication offering for the altar when it was anointed; so the leaders offered their offering before the altar.
7:11 For the LORD said to Moses, "They shall offer their offering, one leader each day, for the dedication of the altar."
7:12 And the one who offered his offering on the first day was Nahshon the son of Amminadab, from the tribe of Judah.