Just needed help for a missing stay last month. After the required ten business day wait, it was credited same day of request.
I did provide the folio with my request. The posted values and info were correct. The follow-up email is below. Nice.
Dear Mr. XXXXXX,
Thank you for sending us a copy of your hotel receipt. We hope you enjoyed your stay and apologize that it was not systematically credited to your account. We are delighted to help you and want to make sure you get the credit for staying with us.
Using the provided information, I have added all eligible credit for the stay to your Marriott Bonvoy account. You will see your points reflected on your online account summary at https://www.marriott.com/sign-in.mi within the next 15 minutes.
If we can be of further assistance, please contact our customer service group at:
https://www.marriott.com/help/loyalty-customer-support.mi
Thank you for being our loyal member.
Sincerely,
Deevanshu G.
Marriott Bonvoy™ Customer Care