The tax audit limit for AY 2026-27 stays at ₹1 crore for businesses and ₹50 lakh for professionals, and rises to ₹10 crore when cash stays under 5 percent of receipts and payments. Internal audit applies once turnover crosses ₹200 crore under Section 138. This checklist covers all 9 audit applicability limits for AY 2026-27 in one place. Quick Answer: All 9 Audit Limits at a Glance #AuditGoverning LawTrigger for AY 2026-271Tax audit (businesses)Section 44AB, Income Tax Act 1961₹1 crore, or ₹10 crore if cash is 5% or less of receipts and payments2Tax audit (professionals)Section 44ABGross receipts above ₹50 lakh3Presumptive…