https://awisgch.org/membership/Membership dues are valid for one year from the date the dues are received. All dues are non refundable. AWIS GCH is a 501(c)(3) tax-exempt organization: TIN 52-1236807. Your AWIS GCH membership may be tax deductible under section 162 of the U.S. IRS code. Donations made to AWIS GCH are charitable for tax-exempt purposes. Check with you tax professional to determine the appropriate deduction.