International amateur communications are permitted unless an administration objects, limited to amateur purposes and personal remarks, not encoded to obscure meaning, and carried for third parties only in emergencies or disaster relief (25.1 to 25.3); administrations decide on Morse ability, verify operational and technical qualifications, and fix maximum power (25.5 to 25.7); all relevant provisions apply to amateur stations, which transmit their call sign at short intervals (25.8, 25.9); administrations may prepare amateurs for disaster relief and decide on visiting licensees (25.9A, 25.9B).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.