CBDT Rule 17AA prescribes books of account and records every charitable trust, NGO and approved institution must maintain to retain exemption under Sections 11 and 10(23C).
Books maintained by Charitable Institutions
Rule 17AA, inserted by CBDT Notification No. 94/2022 dated 10 August 2022, prescribes the specific books of account and documents that every charitable trust, NGO, approved hospital, and educational institution must maintain to retain tax exemption under Sections 11 and 10(23C) of the Income-tax Act, 1961. For FY 2026-27 (AY 2027-28), compliance with this rule is not a once-a-year audit task — gaps in records are now among the most common triggers for denial of exemption, adverse Form 10B remarks, and cancellation of Section 12AB registration.
Who Must Comply: Mapping "Specified Persons" Under Rule 17AA
Rule 17AA uses the term "specified person", which covers four categories:
- Trusts and institutions registered under Section 12AB — the broadest category, covering religious trusts, charitable societies, NGOs, and foundations
- Funds and institutions approved under Section 10(23C) — universities, colleges, hospitals, and medical institutions, whether notified by the Central Government or approved by the prescribed authority
- Entities approved under Section 80G — for the purpose of receiving tax-deductible donations
- Trusts and institutions notified under Section 10(23) or 10(46) — statutory bodies, provident funds, and certain infrastructure funds
The rule draws no distinction between a small village trust and a large multi-crore hospital network. If you claim exemption under any of these provisions in AY 2027-28, Rule 17AA applies in full.
A widely-held misconception among trustees is that modest-income trusts — say, those with annual receipts of Rs. 8 to 10 lakhs — are exempt from formal bookkeeping requirements. That is incorrect. The trigger for Rule 17AA is your legal status as a specified person, not the quantum of your receipts.
The Core Books: What Rule 17AA Actually Requires
Rule 17AA(1) mandates the following as a non-negotiable baseline for every specified person.
Cash Book
A day-to-day record of all receipts and payments, with the running cash balance updated after each transaction. A lump-sum monthly summary entry will not satisfy this requirement. If you use accounting software — Tally Prime, Zoho Books, or similar — verify that your cash daybook report shows a per-transaction running balance column, not just a period-end balance.
Ledger
A complete ledger of all accounts — individual donor accounts, project accounts, corpus fund accounts, creditor accounts, and all heads of income and expenditure. Merging multiple donors into a single combined account, or rolling all project expenditure into one line, does not meet the standard.
Journal
Mandatory for entities following the mercantile (accrual) system of accounting. Trusts that follow the cash basis of accounting are not required to maintain a journal. However, most Section 10(23C)-approved hospitals and universities follow accrual accounting and must maintain it as a matter of course.
Bills and Vouchers
- Copies of all bills and receipts issued for amounts exceeding Rs. 50
- Original bills for every item of expenditure exceeding Rs. 50
In practice, this means even petty cash payments above Rs. 50 require a supporting original document. For trusts making direct disbursements to beneficiaries — scholarship payments, patient-aid transfers, ration distributions — a signed and dated acknowledgement from the beneficiary serves as the required voucher.
Donation Register
A dedicated register documenting every voluntary contribution, with a mandatory flag where the donor has directed the donation to form part of the corpus. This distinction is foundational: corpus donations are excluded from "income" under Section 11(1)(d) and are not subject to the 85% application requirement. Ordinary donations are income and must be applied. Maintaining a single column for all donations — without corpus/non-corpus segregation — is the single most common and costliest recordkeeping failure encountered in practice.
Sector-Specific Record-Keeping: Four Situations Requiring Additional Books
Beyond the baseline, Rule 17AA prescribes additional records based on the nature of your activities.
Trusts with Business Income or a Business Held Under Trust
If your trust operates a business undertaking held under trust (permissible under Section 11(4A)), you must maintain:
- A separate profit and loss account and balance sheet for the business
- Inventory and stock records
- A reconciliation showing the quantum of business surplus transferred to the trust and its application for charitable purposes
The business accounts must be capable of being audited and reported on independently — the Form 10B auditor will report on them separately.
Educational and Medical Institutions (Section 10(23C))
Universities, schools, hospitals, and clinics approved under Section 10(23C) must maintain:
- Fee registers and student enrolment or patient admission records to demonstrate the institution serves the public and not a closed group
- Donor PAN-linked donation registers — mandatory for annual Form 10BD filing (Statement of Donation received), which is due by 31 May of the following financial year
- Grant utilisation registers — project-wise and funder-wise, especially for Central or State Government grants
Trusts Holding Immovable Property
For every immovable property held:
- Record the original cost of acquisition, with purchase deed reference
- Record any depreciation charged under the accounting policy adopted
- Document the current use of the property — whether deployed for charitable activities, let out under a formal lease, or lying idle
Properties that are let out commercially attract scrutiny under Section 13(1)(c) if the lease is to a specified person. Records establishing that the rent is at arm's length fair market value — supported by a registered valuation or comparable lease evidence — are essential to rebut such a challenge.
Trusts Receiving Foreign Contributions (FCRA-Registered)
If your trust holds a valid FCRA registration under the Foreign Contribution (Regulation) Act, 2010:
- Maintain a completely separate set of books for foreign contribution receipts and utilisation — a legal requirement under FCRA itself, and simultaneously a Rule 17AA obligation
- Reconcile these books monthly with your Income-tax books of account
- Ensure the FCRA balance sheet and income-expenditure account can be generated independently and tally with your designated FCRA bank account
Mixing FCRA and domestic funds in a single bank account violates FCRA regulations outright and simultaneously destroys the integrity of your Rule 17AA records. Both regulators — MHA and the Income-tax Department — may proceed independently.
Records That Directly Protect Your Exemption
An Assessing Officer scrutinising a Section 12AB entity or initiating a 10(23C) re-approval inquiry will examine these records first.
Accumulation Records — Section 11(2) and Form 10
Section 11 requires that 85% of income be applied for charitable purposes in the same year. The remaining 15% is a statutory retention — no filing is needed for that. If you are unable to spend even the 85% portion, you may accumulate the shortfall for up to five years under Section 11(2) — but only if you:
- File Form 10 electronically on the Income Tax e-filing portal (
incometax.gov.in) before the due date of filing your return (31 October 2027 for AY 2027-28 for audit cases) - Specify the exact purpose of accumulation and the period
- Invest the accumulated amount exclusively in Section 11(5) modes — broadly, scheduled bank fixed deposits, government securities, Post Office savings schemes, units of UTI and specified mutual fund categories
The records you must maintain:
- A copy of the filed Form 10 with the acknowledgement number
- A Section 11(5) Investment Register mapping each accumulated rupee to a specific investment instrument, account number, and maturity date
- A year-wise utilisation log tracking how accumulated funds are drawn down and applied within the five-year window
Accumulated funds not applied within five years are deemed income of the sixth year — and you need impeccable records to demonstrate that funds were applied in time.
Deemed Application — Form 9A
Where a portion of income cannot be applied in the same year because it was received too late in the financial year to be spent (for example, a large donation received in March 2027), you may elect deemed application by filing Form 9A electronically before the due date of the return. Maintain a filed copy and the bank statement confirming the funds were retained in a permissible account pending application.
Related Party Transaction Register — Section 13
Section 13 denies exemption to a trust if its income or property benefits any specified person — broadly, trustees, their relatives, and concerns in which they hold substantial interest. Every specified person should maintain a dedicated register recording:
- Name, designation, and relationship of each specified person
- Nature and quantum of each transaction — loan, salary, professional fee, rent payment, asset purchase
- Fair market value at the date of the transaction, supported by a formal valuation, quotation, or documented market comparison
- Board or managing committee resolution approving the transaction
The absence of this register is routinely treated by the Income Tax Appellate Tribunal (ITAT) as an admission that no oversight was exercised — which significantly strengthens the AO's case for denial of exemption under Section 13.
Format, Location and Retention: The Rules Most Trusts Get Wrong
Electronic Books Are Permissible — With Conditions
Rule 17AA explicitly allows books to be maintained in electronic form. Cloud-based accounting software satisfies this requirement, provided records can be downloaded, printed, and produced on demand in India. If your cloud provider's servers are hosted exclusively overseas with no Indian data mirror, you carry a non-trivial risk of being unable to produce records promptly upon a survey or notice.
Location Requirement and Seven-Day Intimation
Books must ordinarily be kept at the registered office of the specified person. If records are maintained at a branch, your accountant's office, or any location other than the registered office:
- You must intimate the Assessing Officer in writing within seven days of the shift in location
- No prescribed form exists — a plain letter referencing Rule 17AA addressed to the jurisdictional AO is sufficient
- Retain proof of dispatch — courier tracking number, postal acknowledgement, or email acknowledgement if filed electronically
This is violated routinely. Small trusts often keep books at the secretary-trustee's home or at the chartered accountant's office, with no AO intimation on record. A survey under Section 133A that finds no books at the registered office can be treated as non-maintenance.
Ten-Year Retention — Stricter Than the General Rule
Books must be retained for ten years from the end of the relevant Assessment Year. For FY 2026-27 (AY 2027-28), the minimum retention deadline is 31 March 2038.
This is stricter than the six-year rule applicable to general assessees under Section 44AA. The additional obligation: if a reassessment notice under Section 148/148A, or an appeal, revision, or writ proceeding, is pending for any year, records of that year must be preserved until all proceedings — including final appellate orders — are concluded. Destroying records during pending proceedings invites adverse inferences and can constitute obstruction.
Worked Example: Kalyan Educational Trust, FY 2026-27
Background: Kalyan Educational Trust runs a free coaching centre in Pune and holds a valid Section 12AB registration. Its FY 2026-27 receipts are:
| Source | Amount (Rs.) |
|---|---|
| Corpus donations — building fund, with donor directions | 15,00,000 |
| General donations | 40,00,000 |
| Government grant — mid-day meal programme | 12,00,000 |
| Interest on Section 11(5) FDs | 3,00,000 |
| Total receipts | 70,00,000 |
Step 1 — Compute income for 85% rule Corpus donations of Rs. 15,00,000 are excluded under Section 11(1)(d). Taxable income for 85% computation = Rs. 70,00,000 − Rs. 15,00,000 = Rs. 55,00,000 85% application required = Rs. 46,75,000
Step 2 — Actual expenditure: Rs. 42,00,000 Shortfall: Rs. 4,75,000 → accumulated under Section 11(2) via Form 10, specifying "classroom construction — Block B, to be completed by FY 2028-29."
Step 3 — Rule 17AA records required
- Corpus donation register: Each corpus donor listed with PAN, amount, date, and a managing committee resolution accepting the corpus designation
- Section 11(5) Investment Register: The Rs. 15,00,000 corpus FDs with Union Bank of India — FD numbers, dates, interest rate, maturity date
- Grant utilisation register: Project-wise expenditure against the Rs. 12,00,000 mid-day meal grant, reconciled monthly
- Filed copy of Form 10: Accumulation of Rs. 4,75,000 for classroom construction, with AY 2027-28 portal acknowledgement
- Bills and vouchers: Original supporting documents for every item within the Rs. 42,00,000 total expenditure exceeding Rs. 50
What happens if the corpus donation register does not exist? The AO treats all Rs. 70,00,000 as ordinary income. The 85% requirement becomes Rs. 59,50,000. Against actual spend of Rs. 42,00,000, the shortfall — and denied exemption — is Rs. 17,50,000. At a maximum marginal rate of approximately 31.2% (30% tax + 4% health and education cess, no surcharge as the assessed income is below Rs. 50 lakhs), the tax liability on the shortfall is approximately Rs. 5,46,000 — arising entirely from the absence of a single register. Add interest under Sections 234A, 234B, and 234C, and the total outgo approaches Rs. 6.5 to 7 lakhs.
Common Mistakes That Cost Trusts Their Exemption
These patterns recur across ITAT orders and practice:
- Corpus and general donations recorded in a single ledger account. Corpus is not income in the year of receipt; general donations are. One combined account makes it impossible to correctly compute the 85% application obligation and invites re-characterisation.
- No original bills for payments above Rs. 50. Trusts frequently retain only internal vouchers for petty disbursements. An AO can disallow the "application" where original supporting bills are missing, converting a spending record into unapplied income.
- FCRA funds co-mingled with domestic funds. A single bank account for FCRA and non-FCRA receipts is a violation of FCRA 2010 and simultaneously destroys Rule 17AA record integrity. Rectification requires a formal restatement of accounts, often under auditor supervision.
- Form 10 filed after the return due date. The accumulation benefit under Section 11(2) is available only if Form 10 is filed on or before the due date of the return. One day's delay — even due to portal downtime — disqualifies the accumulation. Your bookkeeping system should flag this deadline no later than August for a 31 October due date.
- Section 13 transactions undocumented. Trustees paying themselves professional fees or receiving rent from the trust — even at genuine arm's length — must support the transaction with a valuation, a market comparison, and a managing committee resolution. Undocumented payments are treated as prima facie violations of Section 13.
- Records retained for only six years. Many organisations apply the general six-year rule under Section 44AA. Rule 17AA mandates ten years. The two-year gap is precisely where reassessment notices under the new Section 148A framework tend to land.
- Books held at the accountant's office without AO intimation. Extremely common with smaller trusts. The seven-day written intimation is routinely omitted. A survey under Section 133A finding no books at the registered office creates an adverse inference of non-maintenance.
How Rule 17AA Feeds Directly Into Your Form 10B / 10BB Audit for AY 2027-28
The redesigned Form 10B (applicable to trusts and institutions with income above Rs. 5 crore, or those with foreign contributions, or those with Section 11(2) accumulations) and Form 10BB (for Section 10(23C) entities) now require the auditor to make explicit disclosures on:
- Whether books of account have been maintained as prescribed under Rule 17AA — stated by name in the audit checklist
- Nature, quantum, and investment status of corpus donations and Section 11(5) compliance
- Year-wise accumulation details, Form 9A and Form 10 filing status, and utilisation of accumulated funds
- Related party transactions and whether any benefit has flowed to specified persons under Section 13
- Anonymous donations received and their treatment under Section 115BBC
Every line in Form 10B traces directly to a specific document or register under Rule 17AA. If a record does not exist, the auditor cannot certify the statement without qualification or an adverse remark. A qualified Form 10B is a near-automatic trigger for scrutiny assessment and, in repeat cases, grounds for the Commissioner to initiate cancellation of the Section 12AB registration.
Practical timeline for AY 2027-28: Begin aligning your Rule 17AA records in April 2027. Engage your auditor no later than July 2027. This gives you time to reconstruct any gap periods, reconcile FCRA and domestic books, and finalise the Form 10 filing before the 31 October 2027 deadline — rather than discovering gaps in September under time pressure.
Key Takeaways
- Rule 17AA applies to every "specified person" — trust, NGO, hospital, university — claiming exemption under Sections 11 or 10(23C), regardless of income size. There is no small-trust exemption.
- The minimum baseline is: cash book with per-transaction running balance, complete ledger, journal (for accrual-basis entities), original bills above Rs. 50, and a separate corpus donation register — the last item being the most commonly missing and most consequential.
- Sector-specific additions are mandatory, not optional: FCRA-registered trusts need a wholly separate set of books; Section 10(23C) institutions need fee and beneficiary registers; property-holding trusts need a cost, depreciation, and use register for each asset.
- Form 10 and Form 9A are hard-deadline filings — filing after the return due date disqualifies the Section 11(2) accumulation or deemed-application claim entirely; your record-keeping must support these filings well before October.
- The retention period is ten years from the end of the relevant AY — for AY 2027-28 records, that means retention until 31 March 2038, or until all proceedings for that year conclude, whichever is later.
- Books held outside the registered office require a plain written intimation to the Assessing Officer within seven days — no prescribed form, but you must retain proof of dispatch.
- Form 10B / 10BB audit disclosures are built entirely from Rule 17AA records — robust books make the audit clean; missing records generate audit qualifications that directly invite scrutiny and risk your Section 12AB registration.





