Reining in Irresponsible Decorating Expenses Act This bill requires certain federal employees to notify Congress at least 30 days before spending more than $5,000 to furnish or redecorate their offices. The bill applies to individuals who are (1) the head of a federal agency, or (2) occupy a position in the federal government that requires confirmation by the Senate. The notice must include (1) a justification and explanation for the expenditure, and (2) an overview of the current state of agency affairs. Individuals who fail to comply with the notice requirement must repay the Treasury for the expenditures that exceed $5,000.