123.33—Procedures for processing an Indian Tribe's application.
(a)
The Regional Administrator shall process an application of an Indian Tribe submitted pursuant to § 123.32 in a timely manner. He shall promptly notify the Indian Tribe of receipt of the application.
(b)
The Regional Administrator shall follow the procedures described in 40 CFR part 123, subpart D in processing a Tribe's request to assume the NPDES program.