Statutory Guides & Knowledge Base

Statutory Tax, Salary & Filing Guides (2026-27)

Deep-dive editorial analyses, official government tax slab tables, employer withholding rules, and step-by-step filing walkthroughs for taxpayers and payroll professionals across Pakistan, India, and the United Kingdom.

Latest Statutory Guides

3 Published Guides

Pakistan•Income Tax

7 min read

Pakistan Salary Tax Slabs 2026-27 (FBR): Full Breakdown

Official FBR salary tax slabs 2026-27 in Pakistan: 0% up to 600k, 1% first slab, 8-tier schedule, worked examples & monthly take-home calculator.

For Tax Year 2026-27 (effective 1 July 2026), annual salary earnings up to PKR 600,000 (PKR 50,000/month) are 100% tax-free. Slabs scale progressively across 8 brackets from 1% up to 35% on taxable income exceeding PKR 7 Million.

Updated for Tax Year 2026-27

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India•ITR Filing

6 min read

ITR Filing Deadline 2026 (AY 2026-27) — Last Dates, Penalties & How to File

ITR-3 & ITR-4 last date is 31 Aug 2026 (extended). ITR-1/ITR-2 were due 31 Jul. Check all AY 2026-27 deadlines, penalties & file online.

The statutory deadline for filing ITR-3 and ITR-4 for Assessment Year 2026-27 is 31 August 2026 for non-audit taxpayers. ITR-1 and ITR-2 were due 31 July 2026 and can now be filed as belated returns until 31 December 2026 with a late fee under Section 234F.

Updated for Assessment Year 2026-27 (FY 2025-26)

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India•Income Tax

8 min read

Income Tax Slabs AY 2026-27 (FY 2025-26) — Old vs New Regime Explained

Verified income tax slabs for AY 2026-27: new regime (₹4L exemption, up to 30%) vs old regime (₹2.5L, 5/20/30%). Worked examples + 87A rebate.

For AY 2026-27, the New Tax Regime offers standard deduction of ₹75,000, 7 progressive brackets (0% to 30%), and full Section 87A rebate up to ₹12 Lakhs taxable income, making salaried income up to ₹12.75 Lakhs 100% tax-free.

Updated for Assessment Year 2026-27 (FY 2025-26)

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Every guide published on CalcWorldwide is authored by qualified tax professionals and strictly reconciled with official government gazettes (FBR Pakistan, CBDT India, HMRC United Kingdom). Formulas are tested against our zero-latency mathematical computation engines to guarantee 100% numerical accuracy.