Hi Keiko,
Welcome to our DocuSign Community!
We are glad to have you here and can't wait to help share as much knowledge as possible.
The behavior you describe is managed by the sending account administrator in Setting>Signing Settings>Envelope Delivery>Attach certificate of completion to envelope.
You can find more details on how to manage this setting, here:
Envelope Delivery
Feel free to let us know if you need further assistance with this.
Thank you for using DocuSign, we hope you have a wonderful rest of your day!
Best regards,
Alejandro R. | DocuSign Community Moderator
Hi @Keiko,
I hope you are doing well.
I would like to confirm if you were able to solve your issue by utilizing the solution that was suggested?
If so, please mark it as the best answer by clicking “Select as Best” to make it easier for other users to find
Otherwise, feel free to let me know and I will gladly help you address the situation as soon as possible.
Best regards,
Alejandro R. | DocuSign Community Moderator
"Select as Best" below if you find the answer a valid solution to your issue!