Your group can use any type of cash receipt book available where office supplies are sold. However, money given to the group is generally not going to be tax deductible, and group leaders should never give the impression that it might be.

In the U.S., only contributions to a non-profit organization with 501(c) (3) status are tax deductible. Most groups are non-profit but do not have 501(c) (3) status.