This contract requires the provision of electronic tax preparation software and support services for volunteer tax preparers to complete and securely transmit returns to the IRS and state agencies. The software must be commercially proven, user-friendly, compliant with IRS e-file standards, and require minimal configuration to meet security and privacy requirements. It will support various IRS tax assistance programs and must be usable by preparers with varying experience levels at approximately 12,000 locations worldwide. The performance period includes a base year estimated from June 1, 2026, to May 31, 2027, with four subsequent option years extending the potential contract through May 31, 2031. No budget information is specified.