H.R.3881: To amend the Internal Revenue Code of 1986 to modify the rules for charitable contributions of fractional gifts.

Promotion of Artistic Giving Act of 2007 - Amends the Internal Revenue Code to: (1) extend the deadline for completing the charitable contribution of a gift; (2) provide for a valuation standard for gifts in excess of $1 million; and (3) repeal certain valuation rules for subsequent and fractional gifts.