Incorrect TDS Calculation

[nisarg5900]

Information about bug

The TDS (Tax Deducted at Source) amount is incorrectly calculated for certain suppliers in Purchase Orders and Purchase Invoices. However, if the supplier is changed while keeping all other fields (like items, amounts, etc.) unchanged, the TDS amount is calculated correctly.

Po20250008.mp4

I have already checked, verified and compared all the fields in the Supplier, Tax Withholding Category, Supplier Category, Item Tax details, Doctypes, I didn't find any errors in field population.

Hence, I concluded there has to be some error in the logic of the calculation.

Version

ERPNext: v15.48.0 (HEAD)
Frappe Framework: v15.51.2 (HEAD)
India Compliance: v15.14.7 (HEAD)

Relevant log output / Stack trace / Full Error Message.

No response

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