A federal labor board said that Amazon workers in Bessemer, Alabama, will vote by mail next month in a re-run election to decide whether or not to unionize. The National Labor Relations Board said Tuesday that the ballots will be mailed out Feb. 4 and must be returned before the counting starts on March 28. The move comes roughly a month and a half after the board ordered a new union election for Amazon workers based on objections by the Retail, Wholesale and Department Store Union to the first vote that took place in April. The move was a blow to Amazon, which spent about a year aggressively campaigning for warehouse workers in Bessemer to reject the union, which they ultimately did by a wide margin. [time-brightcove not-tgx=”true”] Read More: How Amazon Won the Preliminary Union Vote in Alabama In a 20-page decision, the regional director for the NLRB Lisa Henderson focused much attention on Amazon’s installation of a U.S.