RSA 361-D:11: Lien on Other Property.

No agreement in connection with a lease agreement which provides for the inclusion of title to or a lien upon any personal or real property, other than the motor vehicle which is the subject matter of the lease agreement, or accessories for such vehicle or special and auxiliary equipment used in connection with such vehicle as security for the payment of the agreement obligations, shall be enforceable. This section shall not apply to a security deposit, advance payment of rent, or other cash prepayment. This section shall not apply to contracts which are ancillary to the lease and directly applicable to the leased vehicle, such as extended warranty or service agreements or contracts of insurance.