The US Section International Boundary and Water Commission (USIBWC) is seeking a contractor to provide specialized GTAS (Governmentwide Treasury Account Symbol) reporting services support for monthly financial data preparation and submission to the Department of Treasury. The selected contractor will provide services including trial balance attribute mapping, development of a pre-validation tool compatible with Treasury edit rules, preparation of GTAS-compliant upload files, and training for IBWC finance personnel. The contractor must have secure and authorized access to internal Department of State systems and demonstrated knowledge of the GTAS submission process, validation rules, and data architecture. The scope of work includes: • Developing processes and standard operating procedures (SOPs) to compile trial balance data and map Treasury-required attributes. • Designing a pre-validation tool to identify and resolve GTAS formatting and data errors in accordance with Treasury edit rules. • Preparing and submitting GTAS-compliant bulk upload files each month. • Providing virtual training, support materials, and technical assistance to IBWC personnel. The period of performance spans approximately five months, aligned with the agency's GTAS reporting cycle.