| M | 69 | 24 hours quota must arrive by container | AMS_M单申报 |
| M | 54 | Carrier bill delete | AMS_M单删除 |
| M | 55 | Carrier bill add | AMS_M单申报 |
| M | 4A | Override | 禁止放行 |
| M | 1W | Within port transfer authorized: Bill of lading remains open | 中转港授权：提单有效 |
| M | 1A | Entered: Intensive examination required | 查验开始 |
| M | 1B | Released: Intensive examination completed | 深度查验完成 → 放行 |
| M | 1C | Entered and released: General examination | 已申报 + 常规查验 → 放行 |
| M | 1F | Customs hold removed at port of inbond destination | 保税目的地扣留解除 → 可放行 |
| M | 1H | Customs hold placed at port of discharge | 查验：海关查验 |
| M | 1I | CBP hold removed at port of discharge/Port of export | 解除1H查验:卸货港 / 出口港的 CBP 扣留已解除 |
| M | 2H | USDA miscellaneous hold placed at port of discharge | 查验：美国农业部禁入物查验 |
| M | 2I | CBPA miscellaneous hold removed at port of discharge | 解除2H查验: 卸货港的 CBPA 杂项扣留已解除 |
| M | 3H | Other Government Agency hold placed at port of discharge | 查验：其他政府机构查验 |
| M | 3I | Other Government Agency hold removed at port of discharge | 解除3H查验: 其他政府机构（FDA/USDA/CPSC 等）扣留已解除 |
| M | 4H | Invalid Shipper Hold Placed | 查验：发货人无效 |
| M | 4I | Invalid Shipper Hold Removed | 解除4H查验: 发货人信息无效扣留 已解除 |
| M | 5H | Entry Processing Hold | 查验：正在查验 |
| M | 5I | Entry Processing Hold Removed | 解除5H查验: 报关处理扣留已解除 |
| M | 6H | Do Not Load | 查验：禁止装船 |
| M | 6I | Release of No Load | 解除6H查验: 禁止装船指令解除 → 允许装船 |
| M | 7H | NII Exam Ordered | 查验：非侵入性检查 |
| M | 7I | NII Exam Removed | 解除7H查验: 非侵入式查验（X 光 / 扫描）扣留已解除 |
| M | 8H | Invalid Cargo Description Hold Placed | 查验：货描无效 |
| M | 8I | Invalid Cargo Description Hold Removed | 解除8H查验: 货物描述无效扣留 已解除 |
| M | 9H | NII Exam Ordered | 查验：非侵入性检查 |
| M | 9I | Invalid Consignee Hold Removed | 解除9H查验: 收货人信息无效扣留 已解除 |
| M | 19 | Actual conveyance arrival | 集装箱船到港 |
| H | 69 | 24 hours quota must arrive by container | AMS_H单申报 |
| H | 1Y | MVOC - NVOC BL Match | AMS_M单与H单匹配 |
| H | 3Z | Security Filing on File | ISF归档 |
