1. Short title This Act may be cited as the Outer Continental Shelf Energy Access Now Act or the OCEAN Act . 2. Limitation of authority of the President to withdraw areas of the outer Continental Shelf from oil and gas leasing (a) Withdrawals (1) Limitation Section 12 of the Outer Continental Shelf Lands Act ( 43 U.S.C. 1341 ) is amended— (A) by striking subsection (a) and inserting the following: (a) Limitation on withdrawals (1) In general Except as otherwise provided in this section, no unleased land of the outer Continental Shelf may be withdrawn from disposition except by Act of Congress. (2) National marine sanctuaries The President, through a rulemaking under section 553 of title 5, United States Code, may withdraw from disposition any of the unleased land of the outer Continental Shelf located in a national marine sanctuary. ; and (B) in subsection (c)— (i) by striking (c) All leases and inserting the following: (c) National security provisions (1) In general All leases ; and (ii) by adding at the end the following: (2) Time period for suspension of operations Any suspension of operations under paragraph (1)— (A) shall be for a period of not more than 90 days