Residential graywater system tax credit.

(1) For purposes of this section, the term:

(a) “Developer” has the same meaning as in s. 380.031(2).

(b) “Graywater” has the same meaning as in s. 381.0065(2)(g).

(2) For taxable years beginning on or after January 1, 2024, a developer or homebuilder is eligible to receive a credit against the tax imposed by this chapter in an amount up to 50 percent of the cost of each NSF/ANSI 350 Class R certified noncommercial, residential graywater system purchased during the taxable year. The tax credit may not exceed $4,200 for each system purchased. A developer or homebuilder may not receive total credits in excess of $2 million per taxable year.

(3)(a) To claim a credit under this section, a developer or homebuilder must submit an application to the Department of Environmental Protection which includes documentation showing that the developer or homebuilder has purchased for use in this state a graywater system meeting the requirements of subsection (2) and that the graywater system meets the functionality assurances provided in s. 403.892(3)(c). The Department of Environmental Protection shall make a determination on the eligibility of the applicant for the credit sought and shall certify the determination to the applicant and the Department of Revenue within 60 days after receipt of a completed application. The taxpayer must attach the certification from the Department of Environmental Protection to the tax return on which the credit is claimed.

(b) No credits may be certified by the Department of Environmental Protection for taxable years beginning on or after January 1, 2027.

(4) Any unused tax credit authorized under this section may be carried forward and claimed by the taxpayer for up to 2 taxable years.

(5) The department may adopt rules to administer this section, including, but not limited to, rules prescribing the method to claim a credit certified by the Department of Environmental Protection under this section.

(6) The Department of Environmental Protection may adopt rules to administer this section, including, but not limited to, rules relating to application forms for credit approval and certification and the application and certification procedures, guidelines, and requirements necessary to administer this section.

(7) This section is repealed December 31, 2030.