We have two Sage Knowledgebase articles that may help you if you use the Property Management module and need to make credits or adjustments related to COVID-19:
Sage Construction & Real Estate
Welcome to the Sage Construction and Real Estate products Support Group on Community Hub! Available 24/7, the Forums are a great place to ask and answer product questions, as well as share tips and tricks with Sage peers, partners, and pros.
Sage 300 CRE Announcements
Sage 300 CRE: How to handle COVID-19 related rent credits and late charge adjustments in Property Management