Sec. 1.1312  Facilities for which no preconstruction authorization is 
          required.

    (a) In the case of facilities for which no Commission authorization 
prior to construction is required by the Commission's rules and 
regulations the licensee or applicant shall initially ascertain whether 
the proposed facility may have a significant environmental impact as 
defined in Sec. 1.1307 of this part or is categorically excluded from 
environmental processing under Sec. 1.1306 of this part.
    (b) If a facility covered by paragraph (a) of this section may have 
a significant environmental impact, the information required by 
Sec. 1.1311 of this part shall be submitted by the licensee or applicant 
and ruled on by the Commission, and environmental processing (if 
invoked) shall be completed, see Sec. 1.1308 of this part, prior to the 
initiation of construction of the facility.
    (c) If a facility covered by paragraph (a) of this section is 
categorically excluded from environmental processing, the licensee or 
applicant may proceed with construction and operation of the facility in 
accordance with the applicable licensing rules and procedures.

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    (d) If, following the initiation of construction under this section, 
the licensee or applicant discovers that the proposed facility may have 
a significant environmental effect, it shall immediately cease 
construction which may have that effect, and submit the information 
required by Sec. 1.1311 of this part. The Commission shall rule on that 
submission and complete further environmental processing (if invoked), 
see Sec. 1.1308 of this part, before such construction is resumed.
    (e) Paragraphs (a) through (d) of this section shall not apply to 
the construction of mobile stations.
[ 55 FR 20396 , May 16, 1990, as amended at  56 FR 13414 , Apr. 2, 1991]