QB Issue Resolution:

create a new bill from the vendor. click the radio button to change the bill to a credit. use the appropriate expense account to account for the deduction. apply the credit to the bill.

Resolution for Issue 'I am holding an amount back from a vendor payment and do not intend to ever pay it. How do I properly record that in QB?' available: Yes (Solved).
Source: Intuit Community forum.

I am holding an amount back from a vendor payment and do not intend to ever pay it. How do I properly record that in QB?: 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 Payment
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