; and (B) in the case of a positive determination under subparagraph (A) or (B) of subsection (c)(1), not later than the expiration of the 10-month period beginning on the date of such determination. (2) Effective dates The Secretary of Housing and Urban Development or the Secretary of Agriculture may set an effective date for the applicable code or standard for one or more category of housing that is earlier than the effective date specified in subsection (b) or (c). (3) Compliance The Secretary of Housing and Urban Development and the Secretary of Agriculture shall— (A) within 1 year after the date of the enactment of the Housing Efficiency Standards Act of 2020 , develop plans for increasing and measuring compliance with the requirements of this section, including builder and mortgage finance institution training; (B) within 1 year after the date of the determinations specified in subsection (c) update such plans; and (C) implement the plans in a timely manner. .