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End of Biennium Invoice Procedures

State law requires WSDOT to account for expenditures in the proper biennium regardless of when invoices are received.

The biennial closing process which necessitates the orchestration of a tight time line for invoice payments made for services performed during the proceeding month (June).

If you have an active agreement or task order, please follow the instructions outlined in the documents linked below.

If you have questions, please contact us.