[Code of Federal Regulations]
[Title 14, Volume 2]
[Revised as of January 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR137.21]

[Page 769]
 
                     TITLE 14--AERONAUTICSAND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
PART 137--AGRICULTURAL AIRCRAFT OPERATIONS--Table of Contents
 
                     Subpart B--Certification Rules
 
Sec. 137.21  Duration of certificate.

    An agricultural aircraft operator certificate is effective until it 
is surrendered, suspended, or revoked. The holder of an agricultural 
aircraft operator certificate that is suspended or revoked shall return 
it to the Administrator.