(1) This chapter shall become effective on January 1, 2022.

(2) This chapter shall be prospective in operation only.

(3) The provisions of this chapter shall not apply to existing land disturbing activity for which all previously required permits were obtained prior to the effective date.

(4) The provisions of this chapter shall not apply to a project or development not yet constructed; provided, that an appropriate residential or commercial building permit has been obtained and the permit bears a date prior to the effective date of this chapter.