§  27.57   International coordination.

   (a) WCS operations in the border areas shall be subject to coordination
   with those countries and provide protection to non-U.S. operations in
   the 2305-2320 and 2345-2360 MHz bands as appropriate. In addition,
   satellite DARS operations in WCS spectrum shall be subject to
   international satellite coordination procedures.

   (b) Wireless operations in the 512-608 MHz, 614-763 MHz, 775-793 MHz,
   and 805-806 MHz bands are subject to current and future international
   agreements between the United States and Canada and the United States
   and Mexico. Unless otherwise modified by international treaty, licenses
   must not cause interference to, and must accept harmful interference
   from, television broadcast operations in Mexico and Canada, where these
   services are co-primary in the band.

   (c) Operation in the 1695-1710 MHz, 1710-1755 MHz, 1755-1780 MHz,
   1915-1920 MHz, 1995-2000 MHz, 2000-2020 MHz, 2110-2155 MHz, 2155-2180
   MHz, 2180-2200 MHz, and 3700-3980 MHz bands is subject to international
   agreements with Mexico and Canada.

   [ 62 FR 9658 , Mar. 3, 1997, as amended at  67 FR 5511 , Feb. 6, 2002;  69 FR 5715 , Feb. 6, 2004;  72 FR 48852 , Aug. 24, 2007;  79 FR 599 , Jan. 6,
   2014;  79 FR 32413 , June 4, 2014;  79 FR 48539 , Aug. 15, 2014;  85 FR 22882 , Apr. 23, 2020]