For taxable years beginning before January 1, 2021, the amount of the claim not used to offset the tax due, not to exceed 10 percent of the allowable amount of the claim under par. (ad) 4., 5., or 6., shall be certified by the department of revenue to the department of administration for payment by check, share draft, or other draft drawn from the appropriation account under s. 20.835 (2) (d).

For taxable years beginning after December 31, 2020 and before January 1, 2024, the amount of the claim not used to offset the tax due, up to 15 percent of the allowable amount of the claim under par. (ad) 4., 5., or 6., shall be certified by the department of revenue to the department of administration for payment by check, share draft, or other draft drawn from the appropriation account under s. 20.835 (2) (d).

For taxable years beginning after December 31, 2023, the amount of the claim not used to offset the tax due, not to exceed 25 percent of the allowable amount of the claim under par. (ad) 4., 5., or 6., shall be certified by the department of revenue to the department of administration for payment by check, share draft, or other draft drawn from the appropriation account under s. 20.835 (2) (d).