EIN

The ein formatter masks a US Employer Identification Number into XX-XXXXXXX (two digits, dash, seven digits) as the user types.

Usage

validationSchema: {
  ein: { format: "ein" },
}

Result

Things to know

• Pair with the ein validator (ein: true) for full validation.
• For the individual TIN variant, see itin; for a custom letter mask, see tin.