R.I. Gen. Laws § 6-39-4: Notice required.

If a molder chooses to have all rights, title, and interest to any die, mold, or form transferred to the molder by operation of law, the molder shall send written notice by registered mail, return receipt requested, to the customer at the address, if any, indicated in the agreement pursuant to which the molder obtained possession of the die, mold, or form, and to the customer’s last known address, indicating that the molder intends to terminate all of the customer’s rights, title, and interest by having all rights, title, and interest transferred to the molder by operation of law pursuant to this chapter.