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It describes contributor types, eligibility criteria, reporting rules, upload and download file formats, reason codes and naming conventions for authorised users exchanging device status information.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This document defines the file, record and field interface specification for the GSMA Device Registry, which maintains TAC allocation records and a global Block List of flagged device identifiers. 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