noun
donation register; subscription book
A book or list used to record donations, often at a shrine or temple, or to collect subscriptions for a project or publication.
神社の奉加帳に名前を記した。
I wrote my name in the shrine's donation register.
出版のための奉加帳を回覧した。
We circulated a subscription book for the publication.
芳名帳 is a general guest book or register of names, while 奉加帳 specifically records donations or subscriptions.
奉加 (offering, donation) + 帳 (register, book). The exact historical derivation is uncertain, but the term is conventionally associated with recording contributions.