QB Issue Resolution:

QB does not care who wrote the check, receive the check against an invoice for that customer if that is what it is for

other wise you need to explain what the purpose of the check is for

Resolution for Issue 'How do I deposit checks from someone other then customer?' available: Yes (Solved).
Source: Intuit Community forum.

How do I deposit checks from someone other then customer?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Checks
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for Checks [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: