Managed Customer's name missing

[Y Cha]

I'm running into few instances where the name of the managed customer is blank ("").   I'm told that they were filled in at one point of time. What are the ways that they could have been changed to blank?  API or MCC? API can only  ADD ManagedCustomer and name can is required field.  MCC doesn't allow for blank name. 

Thanks in advance,

[Danial Klimkin]

Hello,

This name can be altered at any time via the user interface.

-Danial, AdWords API Team.

[Y Cha]

But could ManagedCustomer's name have been deleted (or changed to empty string) from user interface? I'm trying to understand root cause.

[Danial Klimkin]

Hello,

It's possible this was not always restricted. This change could have happened before the restriction was in place.

-Danial, AdWords API Team.