Form 12C is an income declaration form that was historically used by employees in India to report income from sources other than salary to their employer. The aim was to assist companies in accurately calculating the total taxable income of their employees and deducting the correct amount of Tax Deducted at Source (TDS).
However, Form 12C is no longer in use. It was applicable before the introduction of Form 12BB, which now serves as the standard format for declaring investments and claiming deductions for salaried individuals.
Form 12C was originally designed to
It ensured that all sources of income were factored into the employee’s annual tax calculation.
Although obsolete now, Form 12C used to capture:
This helped employers create a complete picture of the employee’s financial profile for tax purposes.
With the introduction of Form 12BB in 2016, the role of Form 12C became redundant. Form 12BB standardised the declaration process for salaried employees, focusing on
Form 12BB also aligns better with digital payroll systems and modern compliance practices.
Today, if employees want to declare income from other sources to their employer for accurate TDS deduction, they can do so informally or through company-specific payroll platforms. While there's no formal form like 12C in use anymore, many employers provide internal templates to gather such information.
Employees must still report all sources of income at the time of filing their Income Tax Return (ITR), even if not declared to the employer.