Notwithstanding the provisions of this chapter, no regulatory action pursuant to §§ 62.1-44.121 and 62.1-44.123 shall be imposed on agricultural practices prior to July 1, 2028, provided that reasonable progress is being achieved and a detailed plan to include full funding, as provided under subsection C of § 10.1-2128.1, for reaching the needed number of voluntary incentivized practices has been developed.