Home / Standards / GB/T 46450-2025 GB/T 46450-2025 Active Directives for comprehensive assessment of losses from particularly major natural disasters 特别重大自然灾害损失综合评估导则 Standard Type GBT ICS 03.020 CCS A.20 Status 现行 Issue Date 2025-10-05 Implementation 2026-02-01 Responsible Dept 应急管理部 Drafting Unit N/A