Memberships are for the current calendar year (Jan 1 - Dec 31) regardless of the date you join.
Current membership rates:
To send e-mails out to the IBANGS listserve, please send your message to the webmaster, Marianne Van Wagner (email@example.com), and secretary, Helen Kamens (firstname.lastname@example.org). Please indicate if you want your messages to be sent to only current IBANGS members or everyone in the database (including past members). You may contact the IBANGS webmaster, Marianne Van Wagner (email@example.com), if you have additional questions.