On the 1st of Adar, the announcement to prepare the Shekalim was made: Megillah 13b, 29a-b
On the 15th of Adar, special money-changers were established to aid acquisition of the Half-Shekel for its donation: Megillah 29b
On the 25th of Adar, special money-changers were established in the Temple itself to aid acquisition of the Half-Shekel for its donation: Megillah 29b
Donation of the Shekalim
If an individual desires to donate more than his half-shekel, he must fully give over his money to the community before offering it: Rosh HaShanah 7a-b
Whether the Kohanim donate: Menachot 46b
The Jews' donation of coins to the Tabernacle in Adar pre-empted Haman's gifts of coins to King Achashverosh: Megillah 13b
What happens if the shekalim are stolen en route to Jerusalem: Yoma 65a; Bava Metzia 57b-58a
Collection of the Donations from their Storage Room
Special Clothing of the Kohanim, designed to prevent Suspicion: Yevamot 102b
The set of collection boxes, and the order in which they were used: Megillah 21b
Whether there is a Mitzvah to use the first ones which have been dedicated: Megillah 21b
Uses of the Money
After the 1st of Nisan, the new Donations are used: Rosh HaShanah 7a; Megillah 29b
It is a mitzvah to use the new Shekalim for the communal offerings: Rosh HaShanah 7b
Use of this money for goat offerings of the first of the month: Temurah 15b
Use of this money for the goat offerings of Pesach, Shavuot and Succot: Temurah 15b
To re-purchase leftover ketoret that was given to the craftsmen of the Beit haMikdash for their salaries: Keritot 6a