; and (C) complies with the purposes of this subtitle as identified in section 502(a) and the objectives identified in section 502(b). (4) Deadline for completion Not later than 180 days after the receipt of a Strategic Plan, or a revision to a Strategic Plan, the Chairman of the Council of Environmental Quality shall approve or disapprove the Strategic Plan or revision. If the Chairman disapproves the Strategic Plan or revision, the Chairman shall transmit to the Regional Coordination Council that submitted the Strategic Plan or revision, an identification of the deficiencies and recommendations to improve it. The Council shall submit a revised Strategic Plan or revision to such plan not later than 180 days after receiving the recommendations from the Chairman. (e) Plan revision Each Strategic Plan shall be reviewed and revised by the relevant Regional Coordination Council at least once every 5 years. Such review and revision shall be based on the most recently updated regional assessment. Any proposed revisions to the Strategic Plan shall be submitted to the Chairman of the Council on Environmental Quality for review and approval pursuant to this section. 505. Regulations The Chairman of the Council on Environmental Quality may issue such regulations as the Chairman considers necessary to ensure proper administration of this subtitle. 506. Ocean Resources Conservation and Assistance ( ORCA ) Fund (a) Establishment (1) In general There is established in the Treasury of the United States a separate account to be known as the Ocean Resources Conservation and Assistance Fund, referred to in this section as the ORCA Fund . (2) Credits The ORCA Fund shall be credited with amounts as specified in section 9 of the Outer Continental Shelf Lands Act ( 43 U.S.C. 1338 ), as amended by section 514 of this title. (3) Allocation of the ORCA Fund (A) In general Of the amounts deposited in the ORCA Fund each fiscal year— (i) 70 percent shall be allocated to the Secretary of Commerce, of which— (I) 1⁄2 shall be used to make