YZ/T 0057-2001 in English

This standard provides guidelines for the compilation of codes used in the handling and sorting of international mail. It outlines the structure, format, and specific requirements for creating unique identifiers that facilitate the efficient processing of mail within the postal system. The document covers the necessary elements that should be included in the code, ensuring consistency and clarity across different postal operations. It also addresses the application of these codes in various scenarios related to international mail handling. The standard is intended to support the smooth operation of postal services by establishing a uniform method for code creation. It includes definitions, procedures, and examples to aid in the proper implementation of the code compilation process. The content is designed to be applicable to all relevant parties involved in the international mail handling process.