Ezra 1:4

Context
1:4 Anyone who survives in any of those places where he is a resident foreigner must be helped by his neighbors ¹  with silver, gold, equipment, and animals, along with voluntary offerings for the temple of God which is in Jerusalem.’”

Ezra 2:68

Context
2:68 When they came to the Lord’s temple in Jerusalem, some of the family leaders ²  offered voluntary offerings for the temple of God in order to rebuild ³  it on its site.

Ezra 3:5-6

Context
3:5 Afterward they offered the continual burnt offerings and those for the new moons and those for all the holy assemblies of the Lord and all those that were being voluntarily offered to the Lord. 3:6 From the first day of the seventh month they began to offer burnt offerings to the Lord. However, the Lord’s temple was not at that time established. ⁴ 

Ezra 7:17

Context
7:17 With this money you should be sure to purchase bulls, rams, and lambs, along with the appropriate ⁵  meal offerings and libations. You should bring them to the altar of the temple of your God which is in Jerusalem.