0050·Sales tax withheld is invalid for cotton ginner supplies
Tax calculationOccasional
What this means
Functionally identical to the general withholding constraint on this sale type: zero or the full tax amount, nothing between.
Why it happens
- A partial withholding amount was submitted.
- The field was left null rather than set to zero.
How to fix it
- 1Copy the sales tax figure exactly, or send zero.
- 2Never send null — zero and null are different to FBR.
How Ordyoo handles this
Withholding is emitted with an explicit zero default and copied from computed tax where it applies.
Scenarios where this appears
Sandbox scenarios that commonly produce 0050.
Related errors
Stop debugging FBR payloads by hand
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