This standard specifies the structured terminology information, markup tags and attributes, character encoding and language attributes, MARTIF term entry structure and document type definition (DTD) of the machine-readable term interchange format (MARTIF) negotiated exchange part, and MARTIF files and structure and exchange process. This standard applies to the exchange of machine-readable terminology data and the development of corresponding transfer-in and transfer-out procedures, as well as the development of conversion procedures for data encoded according to GB/T 13726.