(b)(90) The determination and approval not to evaluate an option estimated to exceed $550,000 prior to contract award (or definitization, if an undefinitized contract) shall be in the contract file, and shall include (see also 15.403-4(b)(90)) either,
(i) An explanation of the specific exemption that can be applied to avoid the data submission and certification requirements of P.L. 87-653, and identification of the pricing technique(s) available to subsequently determine the option price fair and reasonable without submission of certified cost or pricing data or catalog exemption data; or
(ii) A statement that such option price(s) are identified in the solicitation and contract Schedule as "not to exceed" ceiling price(s) subject to later definitization (see 17.208(a)(90)).
