gold-plating
n.— «And he warned against the practice known as “gold-plating,” whereby national rules are made more complicated than the original proposal from Brussels. “National regulators and governments must be disciplined when it comes to transposing directives—to avoid doubling up through gold plating, which adds cost and complexity and undermines the huge benefits that a single European rule book can bring.”» —“McCreevy reprimands Ireland” by Elaine Edwards Ireland.com July 16, 2007. (source: Double-Tongued Dictionary)