10 CFR §501.60

1. (a)
   1. (1)If the owner or operator plans to construct a new baseload powerplant and the unit will not be in compliance with the prohibition contained in section 201(a) of FUA, this subpart establishes the procedures for filing a petition requesting a temporary or permanent exemption under, respectively, sections 211 and 212 of FUA.
   2. (2)Self-certification alternative. If the owner or operator plans to construct a new baseload powerplant not in compliance with the prohibitions contained in section 201(a) of FUA, this subpart establishes the procedures for the filing of a self-certification under section 201(d) of FUA.
   3. (3)If the petitioner owns, operates or controls a new powerplant, this subpart provides the procedures for filing a petition requesting extension of a temporary exemption granted under sections 211 or 311 of FUA.
   4. (4)If the petitioner owns, operates or controls a new or existing powerplant or MFBI, this subpart provides the procedures for filing a petition requesting extension of a temporary exemption granted under section 211 or section 311 of FUA.
2. (b)If the petition is for an extension of a temporary exemption, the petitioner must apply for this extension at least (90) days prior to the expiration of the temporary exemption.