Letterof Last Instructions. Inventory what you own, including items of sentimentalvalue, and write a letter of last instructions telling heirs who gets whatitems. Sign and date the form. It is not necessary to have it witnessed, butyou can if you wish.GuardianshipCriteria. Assume you have children and wish to identify a guardian for them inthe event you die before they are adults. Make a list of criteria you and asignificant other might consider when making such a decision.