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At-Large Membership in MOS



The benefits received from Maryland Ornithological Society membership dues are not considered to be substantial, as determined by criteria in IRS Publication 526. Therefore, members can claim a tax deductible charitable contribution for the full amount of their membership dues.



Register and pay electronically to join MOS via PayPal
MOS PayPal Page


or

Send a check and use the At-Large Membership Form.




If questions or problems arise, you may contact the MOS Treasurer

Maryland Ornithological Society
PO Box 105, Monrovia, MD 21770-0105