QB Issue Resolution:

The sub should be set up as a 1099 vendor, and you should have an expense account that is mapped to the 1099

Pay the bill and use that mapped 1099 expense account, when you prepare the 1099-misc at year end, it will show as income to the sub

In the event the sub pays you back before year end, make a deposit and use that same mapped expense account as the source of the deposit – that will cancel that amount as reportable 1088 income to the sub

Resolution for Issue 'Paid deposit for a vendor not related to my portion of job' available: Yes (Solved).
Source: Intuit Community forum.

Paid deposit for a vendor not related to my portion of job: 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.

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