For the five consecutive income tax years immediately following the year in which the executive director files written certification with the revisor of statutes as specified in section 39-22-1001 (8) that a line has become available and the Goodwill Industries fund voluntary contribution is next in the queue, the Colorado state individual income tax return form shall contain a line whereby each individual taxpayer may designate the amount of the contribution, if any, the individual wishes to make to the Goodwill Industries fund created in section 39-22-3903 (1).