Thorough knowledge and understanding of the automated pay systems internal processing methods, interrelationships between pay system files, audit trail requirements, detailed input requirements, and output products to determine when manual processing is necessary, to devise methods for input transactions to bypass computer operations, and to troubleshoot, identify, and report programming and systems problems. Examples of specialized experience includes in-depth knowledge of current and prior military pay procedures, regulations, laws, and applicable Comptroller General Decisions to resolve complicated pay problems and/or to determine and process a full range of military pay transactions and reconstruct pay records.