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What is Ba-Bs forms?

Forms in which taxpayers keeping books on a balance sheet basis report monthly purchases (Ba) and sales (Bs) of goods and services with the same party above a set threshold.

The tax administration cross-matches these returns to monitor the risk of fake or misleading invoices. Late filing incurs a special irregularity penalty; the reporting scope has narrowed for transactions documented by e-invoice.

Source: VUK Genel Tebliğleri (396 Sıra No.lu ve ilgili)

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Last updated: October 31, 2026 · This definition is for general information only.

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