To apply for assignment of life insurance, you must contact the GIC for an assignment form. 1. Enter the policy number(s) and the insured's full legal name.All original enrollment forms and beneficiary changes must also be included with the claim. 6. Complete, print, and sign this Assignment of benefits form (highlighted fields can be completed online then printed). Next, review the terms of the assignment thoroughly. Welcome to the Boston Mutual Life Insurance Company forms page, which provides you all of our Claims and Service forms in one convenient location. Once you have found the right loan, you must fill out the collateral assignment form. Your insurer will be able to provide you with this form easily.