Related על שקלים 6:5

There were thirteen collection shofarot in the Temple, and was written upon each one "New shekels", "Old shekels", "[money for] bird sacrifice", "[money for] doves for a burnt offering", "wood", "frankincense", "gold for the Ark Cover", and [the remaining] six [shofarot] for voluntary offerings. [What does] "New shekels" mean? which [was paid] every year; and [what does it mean] "Old shekels"? Whoever did not pay a shekel tax in the previous year will pay it in the following year. Both these and those fall to the remnants of the chamber.

A woman who put the money for her bird sacrifice in the horn may eat of sacrifices in the evening. R. Yehuda says: There was no shofar there for bird sacrifices because of mixing, but someone said: I am responsible for turtledoves, so he brings [the money needed for this] and puts it in the shofar for turtledoves. [He said: I am in charge of] pigeons, so he brings [the money needed] and puts it in the shofar for pigeon.