The donee category—not the donor's choice—determines 50% or 100% and whether the adjusted-GTI cap applies.
The donee category—not the donor's choice—determines 50% or 100% and whether the adjusted-GTI cap applies. Section 133 is the current Tax Year 2026–27 provision.
Legal or Computational Framework
Four buckets apply: 100%/50%, each with or without qualifying limit. Cash above the statutory ceiling and donations in kind are not deductible.
Core working: Verify donee approval and payment mode; classify the bucket; compute adjusted GTI; apply the 10% limit where relevant; then apply 100% or 50%.
Why the result is fact-sensitive
The same keyword can produce different answers because residence, age, employment terms, service period, contribution payer, deposit type, income composition, tax regime and documentation differ. Payroll terminology is not always statutory terminology. A calculator must therefore state the legal definition used for salary, wages, contribution, deposit, deduction or exemption.
Step-by-step method
- Identify the governing tax year and statute.
- Confirm taxpayer category, residence and regime.
- Classify every input under the correct current provision.
- Apply actual-amount, statutory and shared ceilings in order.
- Recompute tax, rebate, surcharge, marginal relief and cess.
- Reconcile official statements and retain an audit trail.
Worked example
₹20,000 to a 100%-without-limit fund and ₹80,000 to a 50%-with-limit institution require two separate calculations.
The example is an audit model, not a substitute for the taxpayer's records. Change one input—such as residence, regime, payment date, disability band, contribution payer, state, service period or income type—and the answer may change.
Decision checks before claiming or calculating
- Correct period: confirm whether the question concerns AY 2026–27 or Tax Year 2026–27.
- Correct statute: cite the 2025 Act for income from 1 April 2026; use the Social Security Code for current gratuity entitlement.
- Correct person: establish who paid, earned, received or is legally eligible.
- Correct base: use statutory salary, wages, interest, contribution or adjusted income—not a convenient payroll label.
- Correct ceiling: apply actual-amount, shared, lifetime and gross-total-income ceilings in the right sequence.
- Correct evidence: reconcile the result to official statements, certificates, payroll and bank records.
What Generic Pages Miss
- They risk using the wrong 50%/100% bucket.
- They risk ignoring adjusted GTI.
- They risk claiming excessive cash.
- They risk claiming donations in kind.
- They risk not verifying donee approval.
They also frequently confuse a tax deduction with a tax credit, a labour entitlement with an income-tax exemption, or a monthly payroll deduction with final annual tax. Finin2min should show the accepted input, rejected input, legal reason and tax impact separately.
Practical Documentation Checklist
- donation receipt
- donee approval/PAN
- Form 10BE or prescribed certificate
- bank proof
- adjusted-GTI working
- category classification
See the broader Income-tax Act 2025 study guide hub for related rules and calculators on this topic.
Finin2min Summary
The donee category—not the donor's choice—determines 50% or 100% and whether the adjusted-GTI cap applies. Section 133 is the current Tax Year 2026–27 provision.
Tax Year 2026–27 means income earned from 1 April 2026 under the Income-tax Act, 2025. It is different from AY 2026–27, which covers FY 2025–26 under the Income-tax Act, 1961. Legacy section labels are retained only to match genuine search language.
The practical result should be traceable to documents and a visible computation. A statutory maximum is a ceiling, not an automatic entitlement.
Frequently Asked Questions
What is the direct rule for Section 80G 50% vs 100% donation? ▼
The donee category—not the donor's choice—determines 50% or 100% and whether the adjusted-GTI cap applies. Section 133 is the current Tax Year 2026–27 provision.
What calculation should be used? ▼
Verify donee approval and payment mode; classify the bucket; compute adjusted GTI; apply the 10% limit where relevant; then apply 100% or 50%.
Why can two taxpayers get different results? ▼
Four buckets apply: 100%/50%, each with or without qualifying limit. Cash above the statutory ceiling and donations in kind are not deductible.
What is the most important document? ▼
Start with donation receipt and reconcile it with donee approval/PAN; eligibility cannot be created by a calculator input alone.
What mistake most often overstates the result? ▼
The most frequent error is using the wrong 50%/100% bucket. The full working should display the rejected amount and reason.
Which law and period should be cited? ▼
Tax Year 2026–27 means income earned from 1 April 2026 under the Income-tax Act, 2025. It is different from AY 2026–27, which covers FY 2025–26 under the Income-tax Act, 1961. Legacy section labels are retained only to match genuine search language.