In the event that an insured sustains a loss covered under the policy with respect to payment of undisputed incidental costs, including but not limited to rent, the insurer shall make payment for such costs within 15 days after receipt of a valid proof of loss. The insured may commence an action after the expiration of the 15 days to recover such costs.
RSA 407:12-a
1992, 133:1, eff. May 4, 1992.