This image shows the Securities Instrument Definition Screen. This screen has security id and market for revaluation as mandatory fields. The other category field is security description, product, product description, ISIN identifier, security type, security reference, asset status. The other category field is main, interest, others, coupon, issuer security id, market security id, central bank security id, provisioning with optional fields restricted, voting rights, manual provisioning, covered, convertible and bankers acceptance, collateral type, direct exposure line, liability no, revaluation price code with optional field auto initiation of corporate action, quality rating, coupon basis, dividend basis, warrant basis and rights basis, T bill tax account on discount with optional field advance, arrears and N/A and rate code.