RSA 507:7-g Enforcement of Contribution.

I. If the proportionate fault of the parties to a claim for contribution has been established as provided in RSA 507:7-e, a party paying more than its proportionate share of the obligation may recover judgment for contribution upon motion in the same action, or by separate action.
II. If the proportionate fault of the parties to the claim for contribution has not been established, contribution may be enforced in a separate action, whether or not a judgment has been rendered against either the person seeking contribution or the person from whom contribution is being sought.
III. If a judgment has been rendered, the action for contribution must be commenced within one year after the judgment becomes final. If no judgment has been rendered, the person bringing the action fo