## Audit Requirements — Mandatory and Voluntary
### Mandatory Audits (Under Law)
These audits are required by statute — the entity has no choice.
| Entity Type | Governing Law |
|---|---|
| Companies | Companies Act, 2013 |
| Banking Companies | Banking Regulation Act, 1949 |
| Electricity Companies | Electricity Act |
| Cooperative Societies | Respective State Co-operative Society Acts |
| Public and Charitable Trusts | Trust laws / local acts |
| Corporations set up under Act of Parliament or State Legislature | Respective constituting Act |
| Specified entities | Income Tax Act (various sections) |
### Voluntary Audits
No legal requirement, but audit is undertaken for practical reasons:
| Reason | Example |
|---|---|
| Proprietorship / Partnership / HUF | No statutory audit, but may choose audit for own assurance |
| Internal rules | Partnership deed may stipulate audit |
| Loan / grant sanction | Bank or government body requires audited accounts as a precondition |