This link provides info that is on the DMV website:

We are aware that many carriers are experiencing difficulty in completing their annual and biennial 19-A procedures due to constraints caused by the COVID-19 emergency. While the Bus Driver Unit urges you to make every effort to comply with 19-A procedural requirements, please be assured that full consideration of the circumstances will be given when conducting future compliance reviews. 

Districts can contact the Bus Driver Unit at DMV for more information. The number is 518-473-9455.