Homeless Veterans Assistance Fund Act of 2015
Amends the Internal Revenue Code to: (1) establish in the Treasury the Homeless Veterans Assistance Fund; (2) allow individual taxpayers to designate on their tax returns a specified portion (not less than $1) of any overpayment of tax, and to make a contribution of an additional amount, to be paid over to such Fund to provide services to homeless veterans; and (3) require the Departments of Veterans Affairs, Labor, and Housing and Urban Development, each year beginning with the President's annual budget submission for FY2017, to include a description of the use of funds from the Fund in the previous fiscal year and the proposed use of such funds for the next fiscal year.