Section 54.514 - Payment for discounted services(a)Invoice filing deadline. Invoices must be submitted to the Administrator: (1) 120 days after the last day to receive service;(2) 120 days after the date of the FCC Form 486 Notification Letter; or(3) 120 days after the date of the Revised Funding Commitment Decision Letter approving a post-commitment request made by the applicant or service provider or a successful appeal of a previously denied or reduced funding request, whichever is latest.(b)Invoice deadline extension. In advance of the deadline calculated pursuant to paragraph (a) of this section, service providers or billed entities may request a one-time extension of the invoicing deadline. The Administrator shall grant a 120 day extension of the invoice filing deadline, if it is timely requested.(c)Choice of payment method. Service providers providing discounted services under this subpart in any funding year shall, prior to the submission of the FCC Form 471, permit the billed entity to choose the method of payment for the discounted services from those methods approved by the Administrator, including by making a full, undiscounted payment and receiving subsequent reimbursement of the discount amount from the Administrator. 79 FR 49203 , Aug. 19, 2014, as amended at 86 FR 9027 , Feb. 11, 2021 EFFECTIVE DATE NOTE: At 79 FR 49203, Aug. 19, 2014, §54.514 was revised. Paragraphs (a) and (c) will not become effective until July 1, 2016.