(B) An assessment of and quantification of costs and benefits of potentially effective and feasible alternatives, including any underlying analysis. (C) An explanation of why the planned significant regulatory action is preferable to any identified potential alternatives. (d) Deadlines for review (1) Review coordination To the extent practicable, the head of each agency shall work with the Administrator to establish a mutually agreeable date on which to submit a significant regulatory action for review. (2) Expedited review When an agency is obligated by law to issue a significant regulatory action before complying with the provisions of this section, the head of the agency shall notify the Administrator as soon as possible. To the extent practicable, OIRA and the agency shall comply with the provisions of this section. (3) 10 -day review In the case of a significant regulatory action that is a notice of inquiry, advance notice of proposed rulemaking, or other preliminary regulatory action prior to a notice of proposed rulemaking, within 10 business days after the date of submission of the such action to the Administrator, OIRA shall complete the review. (4) 90 -day review (A) In general Except as provided in subparagraph (B), for any other significant regulatory action not described in paragraph (3), within 90 days after the date of submission of the action, OIRA shall complete the review. (B) Exception 45-day review If OIRA has previously reviewed the significant regulatory action described in subparagraph (A) and, since that review, there has been no material change in the facts and circumstances upon which the significant regulatory action is based, OIRA shall complete the review within 45 days after submission of the action. (5) Extension Any review described under this subsection may be extended for any number of additional 30-day periods upon written request by the Administrator or the head of the agency. Such request shall be granted unless the nonrequesting party denies the request in writing within 5