For joint tax returns, which of the following is required?

For joint tax returns, it is required that both spouses must sign the necessary forms. This requirement is in place to ensure that both parties are acknowledging and agreeing to the information presented in the return. Signing signifies consent to report income, deductions, and tax obligations collectively. Joint filers are jointly responsible for the accuracy of the tax return and any tax liabilities, so both signatures protect the integrity of the filing process.

The requirement for both signatures also reflects the partnership nature of filing jointly, where both individuals share in the financial aspects of their taxation. This contributes to accountability and transparency between spouses regarding their shared finances.