Sec. 1.744  Amendments.

    (a) Any application not designated for hearing may be amended at any 
time by the filing of signed amendments in the same manner, and with the 
same number of copies, as was the initial application. If a petition to 
deny (or to designate for hearing) has been filed, the amendment shall 
be served on the petitioner.
    (b) After any application is designated for hearing, requests to 
amend such application may be granted by the presiding officer upon good 
cause shown by petition, which petition shall be properly served upon 
all other parties to the proceeding.
    (c) The applicant may at any time be ordered to amend his 
application so as to make it more definite and certain. Such order may 
be issued upon motion of the Commission (or the presiding officer, if 
the application has been designated for hearing) or upon petition of any 
interested person, which petition shall be properly served upon the 
applicant and, if the application has been

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designated for hearing, upon all parties to the hearing.
[ 29 FR 6444 , May 16, 1964, and  31 FR 14394 , Nov. 9, 1966]