Sec. 73.3511  Applications required.

    (a) Formal application means any request for authorization where an 
FCC form for such request is prescribed. The prescription of an FCC form 
includes the requirement that the proper edition of the form is used. 
Formal applications on obsolete forms are subject to the provisions of 
Sec. 73.3564 concerning

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acceptance of applications and Sec. 73.3566 concerning defective 
applications.
    (b) Informal application1 means all other written requests for 
authorization. All such applications should contain a caption clearly 
indicating the nature of the request submitted therein.
    (c) Formal and informal applications must comply with the 
requirements as to signing specified herein and in Sec. 73.3513.

[44 1997 FR 38486 , July 2, 1979, as amended at  47 FR 40172 , Sept. 13, 1982]