Address proof is an important document for anyone, which has many uses, especially in the financial sector. One can also submit the address proof in any legal issue, which is needed to proof the address of a person. Only an authorized person can certify one and his/address, so that you can ask your employer to certify your residential address. The letter should mention the name of the concerned person, for which the certification is made. If your employer is the authorized person who verifies your address, then he/she should mention the employment details of the concerned employee. The address should be written in a complete and professional manner in the latter. To make the data valid in the letter, the signature of the issuing officer is needed.