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A former procurement officer, Eric Payne, filed a lawsuit claiming he was terminated for raising questions about the lottery award.

More recently, Mr. Gray sparred with council member Marion Barry, Ward 8 Democrat, over his objections to facets of a $34 million contract awarded to Verifone to install smart-meters in the city’s taxicabs. Mr. Barry held up an amendment to the contract that would pay for the meters’ installations, arguing the city should wait for pending protests before the D.C. Contract Appeals Board.

An administrative judge recently agreed in a decision that put the installations on ice pending the appeals board’s review of the protests.

Mr. Evans said his bill would avoid these kinds of obstructions in the future.