((a)) ** Establishment** The Secretary of Housing and Urban Development shall establish a plan for activities to be undertaken and policies to be adopted by the Secretary within the 5-year period beginning upon the submission of the plan to the Congress under subsection (d) to provide for, encourage, and improve energy efficiency in newly constructed, rehabilitated, and existing housing. In developing the plan, the Secretary shall consider, as appropriate, any energy assessments under section 944.

((b)) ** Initial plan** The Secretary of Housing and Urban Development shall establish the first plan under this section not later than the expiration of the 1-year period beginning on .November 28, 19901990-11-28

((c)) ** Updates** The Secretary of Housing and Urban Development shall revise and update the plan under this section not less than once for each 2-year period, the first such 2-year period beginning on the date of the submission of the initial plan under subsection (b) to the Congress (as provided in subsection (d)). Each such update shall revise the plan for the 5-year period beginning upon the submission of the updated plan to the Congress.

((d)) ** Submission to Congress** The Secretary of Housing and Urban Development shall submit the initial plan established under subsection (b) and any updated plans under subsection (c) to the Congress not later than the date by which such plans are to be established or updated under such paragraphs.