Starbucks Corp. and baristas served up arguments at the U.S. Court of Appeals for the First Circuit about whether the Massachusetts Tips Law allows shift supervisors to split tips with baristas.

On Tuesday, the First Circuit heard oral arguments in Matamoros v. Starbucks Corp., an appeal by Starbucks of a damages award totaling $14.1 million for the plaintiffs and certification of their proposed class. The Second Circuit heard oral arguments in a similar case last month, Barenboim v. Starbucks Corp.