Related על שקלים 5:2

What did the three treasurers do? With their help one loosened Estimates, Bans, Sanctified and the Second Tithe out. And every work in the temple was done by them. What did the seven (Amarkalim) have to do? The seven Keys of the Court were in their hands, If any of them wanted to open, he could not do so until all had assembled, [Then] the Amarkalim open, and the treasurers go in and come out, and they go in and come out according to their order of rank out. R. Yehuda said: Why is his name Amarkal? Because he is Lord (אמר) of everything (כל). Eligible [for these offices were people] from the ranks of the priests as well as the Levites and the [ordinary] Israelites. If someone has a son, he has priority, a brother, he has priority. Everyone who has priority in inheritance also has priority in office, provided that he lives according to the customs of his ancestors.