tokens: ['The', 'network', 'supports', 'C', 'communication', 'authorization', 'for', 'pairing', 'of', 'UAV', 'and', 'UAVC', 'The', 'pairing', 'of', 'UAV', 'and', 'UAVC', 'needs', 'to', 'be', 'authorized', 'by', 'USS', 'successfully', 'before', 'the', 'user', 'plane', 'connectivity', 'for', 'C', 'communication', 'over', 'Uu', 'or', 'over', 'NRPC', 'is', 'enabled', 'The', 'UE', 'supporting', 'UAS', 'services', 'may', 'provide', 'the', 'network', 'with', 'an', 'identification', 'information', 'of', 'UAVC', 'to', 'pair', 'with', 'if', 'available', 'via', 'the', 'protocol', 'configuration', 'options', 'as', 'follows', '', 'If', 'the', 'UE', 'uses', 'a', 'common', 'PDN', 'connectivity', 'for', 'both', 'USS', 'communication', 'and', 'C', 'communication', 'with', 'a', 'UAVC', 'the', 'C', 'communication', 'with', 'the', 'UAVC', 'can', 'be', 'authorized', 'using', 'UUAASM', 'procedure', 'during', 'the', 'PDN', 'connectivity', 'procedure', 'or', 'during', 'the', 'bearer', 'resource', 'modification', 'procedure', 'If', 'the', 'pairing', 'of', 'UAV', 'and', 'UAVC', 'is', 'revoked', 'the', 'network', 'shall', 'disable', 'C', 'communication', 'for', 'the', 'PDN', 'connection', 'NOTE', '', 'The', 'network', 'can', 'disable', 'C', 'communication', 'for', 'the', 'PDN', 'connection', 'eg', 'by', 'removing', 'the', 'packet', 'filters', 'allocated', 'for', 'C', 'communication', 'during', 'EPS', 'bearer', 'context', 'modification', 'procedure', 'as', 'specified', 'in', 'clause', '', 'or', 'by', 'deactivating', 'the', 'EPS', 'bearer', 'context', 'for', 'C', 'communication', 'during', 'EPS', 'bearer', 'context', 'deactivation', 'procedure', 'as', 'specified', 'in', 'clause', '', '', 'If', 'the', 'UE', 'uses', 'separate', 'PDN', 'connectivity', 'for', 'respectively', 'USS', 'communication', 'and', 'C', 'communication', 'with', 'a', 'UAVC', 'the', 'C', 'communication', 'with', 'the', 'UAVC', 'is', 'authorized', 'using', 'UUAASM', 'during', 'the', 'PDN', 'connectivity', 'procedure', 'If', 'the', 'pairing', 'of', 'UAV', 'and', 'UAVC', 'is', 'revoked', 'the', 'PDN', 'connectivity', 'or', 'C', 'communication', 'shall', 'be', 'released', 'by', 'the', 'network', 'The', 'authorization', 'of', 'direct', 'C', 'communication', 'can', 'be', 'performed', 'during', 'the', 'C', 'communication', 'authorization', 'procedure', 'NOTE', '', 'The', 'C', 'authorization', 'payload', 'in', 'the', 'servicelevelAA', 'payload', 'sent', 'to', 'the', 'network', 'via', 'the', 'protocol', 'configuration', 'options', 'can', 'include', 'an', 'indication', 'of', 'the', 'request', 'for', 'direct', 'C', 'communication', 'and', 'pairing', 'information', 'for', 'direct', 'C', 'communication', 'see', 'subclauses', '', 'and', '', 'The', 'authorization', 'of', 'UAV', 'flight', 'can', 'also', 'be', 'performed', 'during', 'the', 'C', 'communication', 'authorization', 'procedure', 'The', 'UE', 'supporting', 'UAS', 'services', 'provides', 'flight', 'authorization', 'information', 'to', 'the', 'network', 'via', 'the', 'protocol', 'configuration', 'options', 'if', 'the', 'flight', 'authorization', 'information', 'is', 'already', 'available', 'in', 'the', 'UE']