(b) A designated reliability source may continue to operate without complying with the applicable emissions limits of this Subpart until one of the following provisions are met:

1. (1) a permanent solution is placed online as determined by the NYISO, the local transmission/distribution owner or the New York State Public Service Commission; or
2. (2) two years after the designated compliance date under this Subpart has lapsed.

(c) A designated reliability source may operate an additional two years without complying with the applicable emissions limits of this Subpart if:

1. (1) the NYISO or transmission/distribution owner determines that the reliability need still exists;
2. (2) the source is designated by the NYISO or the transmission/distribution owner as a reliability source; and
3. (3) a permanent solution has been selected by the NYISO, the transmission/distribution owner or the New York State Public Service Commission and that solution is in the process of permitting or construction but not yet online.