Note: Donations may be sent to Maha Siddha Nyingmapa Center, P.O. Box 673, 47 East Rd, Charlemont MA 01339-0673. TheMaha Siddha Nyingmapa Center is a religious not-for-profit orgnization incorporated in the Commonwealth of Massachusetts and has been recognized by the IRS as a tax-exempt religious and charitable organization under Section 501(c)(3). Donations are tax-deductible as permitted by law. Maha Siddha Nyingmapa Center provides no tax advise: Please consult your tax advisor for proper treatment of contributions.