Am: (circle one) the parent legal guardian legal custodian of the minor child(ren) listed below. Download a proof of residency letter template for family members, notarized or non-notarized, tailored for legal use.Edit, sign, and share authorization letter online. No need to install software, just go to DocHub, and sign up instantly and for free. Address : 111 Main Street Boston, MA 34567 authorize the person mentioned below to act on my behalf in all possible manners. Name : Cupid Marley. I, (Name of the Authorizer), am writing to authorize (Name of the Authorize) to collect my (Type of documents) on my behalf as I am hospitalized. It can be helpful in a family law case to have someone who isn't part of your case give information or documents.