2024 22 USC 4200 – Certification of invoices generally

2023 22 USC 4200 – Certification of invoices generally

2022 22 USC 4200 – Certification of invoices generally

2021 22 USC 4200 – Certification of invoices generally

2020 22 USC 4200 – Certification of invoices generally

2018 22 USC 4200 – Certification of invoices generally

2017 22 USC 4200 – Certification of invoices generally

2015 22 USC 4200 – Certification of invoices generally

2014 22 USC 4200 – Certification of invoices generally

2013 22 USC 4200 – Certification of invoices generally

2012 22 USC 4200 – Certification of invoices generally

2010 22 USC 4200 – Certification of invoices generally