On 31 August 2021, the A&S Human Capital Initiatives office posted the following announcement: The planned implementation of Back-to-Basics (BtB), which modernizes the defense acquisition workforce certification framework, was originally targeted to start on October 1, 2021.Class Deviations‧Dfars/Pgi‧Policy Vault‧Covid-19‧Purchase Card‧Contingency Contracting.