39 CFR §3041.515

1. (a)A negotiated service agreement may be extended prior to its expiration date upon one of the following:
   1. (1)Timely filing of notice with the Commission of the valid exercise of an extension right in the negotiated service agreement; or
   2. (2)Approval by the Commission of a timely filed amendment extending the expiration date of the negotiated service agreement.
2. (b)For the purposes of paragraph (a) of this section, a notice or amendment is timely filed if it is filed at least 7 days prior to the expiration of the negotiated service agreement.
3. (c)Upon expiration, a negotiated service agreement shall be removed automatically from the competitive product list.
4. (d)No negotiated service agreement shall remain on the competitive product list following its expiration. An expired negotiated service agreement shall not be extended retroactively.
5. (e)Notwithstanding any other rule in this chapter, the prohibitions in paragraph (d) of this section shall not be waived.