New Mexico Statutes Chapter 39. Judgments, Costs, Appeals § 39-2-3. Unnecessary splitting of actions

When any plaintiff shall bring in the same court several suits against the same defendant that may be joined, and whenever any plaintiffs shall bring in the same court several suits against several defendants that may be joined, the plaintiff shall recover only the costs of one action, and the costs of the other actions shall be adjudged against him unless sufficient reason appear to the court for bringing several actions.