How-to

Submit Form 12B to a new employer

Last updated May 27, 2025 · Tushar Agarwal

Form 12B is a document that an employee shares with a new employer when joining in the middle of a financial year.

It contains details of the employee's previous earnings, deductions and exemptions.

Who generates it?

When an employee leaves an organization, the organization issues a Form 16. Using Form 16 Part B, the employee fills

in the details in Form 12B and shares it with the new employer.