For income tax years commencing on or after January 1, 2001, each Colorado state individual income tax return form shall contain a line whereby each individual taxpayer may designate the amount of the contribution, if any, such individual wishes to make to the western slope military veterans' cemetery fund created in section 28-5-708 (1)(a), C.R.S. Such moneys credited to the fund shall be used for the operation and maintenance of a western slope military veterans' cemetery pursuant to section 28-5-708, C.R.S.