The main purpose of this legislation, titled the "Preventing Tax Fraud and Identity Theft Act," is to change the deadlines for filing certain tax information returns. The goal is to improve the efficiency and accuracy of tax reporting, which can help reduce tax fraud and identity theft. Key provisions of the legislation include specific changes to the deadlines for filing various tax returns. For returns that are filed electronically, the new deadline will be January 31 of the year following the calendar year to which the return pertains.