Issuers. Issuers of securities, with their country, LEI and parent issuer. The issuer code is the key. Key: code. One file: the header attributes, then the records. The business date the data is for (YYYY-MM-DD). Your firm code, shown on Data › Feeds (e.g. F00012). Who produced the file (vendor or system name). When the file was produced (UTC). The number of record elements. A file whose count does not match is refused (F004): it was probably cut short. delta: only the records in the file change. full: the file is complete; records it does not list are inactivated, up to the feed's safety threshold. One issuers record. Elements may appear in any order. Your code for the issuer. The key. A code: letters, digits, "_", "." or "-", up to 20. Part of the key. The issuer's legal name. Text, up to 120 characters. Country of incorporation (ISO 3166-1 alpha-2). An ISO 3166-1 alpha-2 country code, e.g. US. Legal Entity Identifier (20 characters). A code: letters, digits, "_", "." or "-", up to 20. The parent issuer's code, if any. A code: letters, digits, "_", "." or "-", up to 20. false marks the issuer inactive. true or false. upsert (insert or update by key).