Fiscal Responsibility Using Government Accountability Laws Act of 2014 or the FRUGAL Act - Requires the Treasury Inspector General for Tax Administration to analyze the extent to which taxpayers are reporting existing foreign accounts and are circumventing or properly utilizing offshore voluntary disclosure initiatives and programs. Requires the Internal Revenue Service (IRS) to: (1) increase educational outreach concerning taxpayer offshore tax obligations, and (2) report to Congress on closing offshore tax loopholes and increasing revenue collection from offshore sources.

Requires the Federal Acquisition Regulation to be revised to include guidelines for federal agencies to use reverse auctions, an electronic auction in which offerors compete by submitting bids or revised bids for a contract, task, or delivery order until the award is made to the offeror with the lowest bid. States that the guidelines should ensure that reverse auctions uphold high quality standards and that small businesses can continue to participate in the procurement process.

Requires the Board of Governors of the Federal Reserve System to develop and implement a plan to reduce spending on coin inventory management.