The International Bureau also oversees FCC compliance with the international Radio Regulations and other international agreements.
The certificate is consistent with the agreement of the Article S47 of the Radio Regulations.
The Radio Regulations also set technical and regulatory conditions to promote interference-free operations.
The ISM bands are defined by the ITU-R in 5.138, 5.150, and 5.280 of the Radio Regulations.
The Radio Regulations of the International Telecommunication Union allow amateur radio operations in the frequency range from 28.000 to 29.700 MHz.
Gorden, Douglas (2002), "Revolutionary Ideas for Radio Regulation," Section II.
The Radio Regulations define:
Historic editions of the Radio Regulations (History of ITU Portal)
Contents of the Radio Regulations (including selected sections)
Galbi, Douglas (2002), Revolutionary Ideas for Radio Regulation," Section IV, Personal Freedom and Licensing.