Reporting Changes to AGAO

Address changes must be submitted in writing by email, mail or fax. Emailed address change requests can be sent to MDHHS-CSA-AGAO-Ongoing-General@michigan.gov. The written request must include the following:

• Parent’s/guardian’s name(s)
• Phone number
• Child’s name(s)
• Child’s date(s) of birth
• Child’s SSN(s) (needed if you are leaving or reentering the State of Michigan)
• Complete Old Address
• Complete New Address
• Parent’s/guardian’s Signature(s)

Your SIGMA account must also be updated to your new address. AGAO cannot make changes in SIGMA. Parents/guardians must update their account online by going to https://sigma.michigan.gov/PRDVSS1X1/Advantage4. Your address MUST be updated in SIGMA before AGAO can process your address change request.

If you need assistance in updating your address, you can contact the SIGMA Help Desk by phone at 517-284-0540 or email at SIGMA-vendor@michigan.gov.

To update your name with AGAO, please submit a copy of a legal document (Example: marriage license, divorce decree, driver’s license/state ID) with your new name. This can be mailed, faxed, or emailed to MDHHS-CSA-AGAO-Ongoing-General@michigan.gov.

Your SIGMA account must also be updated with your new name. AGAO cannot make changes in SIGMA. Parents/guardians must update their account online by going to https://sigma.michigan.gov/PRDVSS1X1/Advantage4. Your name MUST be updated in SIGMA before AGAO can process your name change request.

If you need assistance in updating your name, you can contact the SIGMA Help Desk by phone at 517-284-0540 or email at SIGMA-vendor@michigan.gov.

Please submit the following documents by mail, fax, or email to MDHHS-CSA-AGAO-Ongoing-General@michigan.gov:

• Written request to be made payee with BOTH parent signatures
  • If parent/guardian states they cannot get the other parent/guardian signature on the written request, a court order showing the parent requesting the payments has full custody of the child may be used.
  • If payee change is due to the death of the current payee, please provide a copy of the death certificate. 
• Driver’s license/state ID
• Copy of SSN

New parent/guardian must register in SIGMA (State of Michigan’s payment system) and provide their SIGMA vendor code to AGAO. To register in SIGMA, go to: https://sigma.michigan.gov/PRDVSS1X1/Advantage4.

SIGMA Registration Guide

If you need assistance, you can contact the SIGMA Help Desk by phone at 517-284-0540 or email at SIGMA-vendor@michigan.gov.

Please notify AGAO as soon as possible when an adoptive/guardianship child is no longer living in your home. Please email MDHHS-CSA-AGAO-Ongoing-General@michigan.gov.

Examples:

• Residing with a family friend, relative, or guardian
• Residing in detention
• Residing in inpatient and/or residential treatment facility
• Placement in foster care
• Child reported as runaway