Due to COVID-19 concerns, CMS is going to expand the deadline for use of the renewed ABN, Form CMS-R-131 (exp. 6/30/2023). At this time, the renewed ABN will be mandatory for use on 1/1/2021. The renewed form may be implemented prior to the mandatory deadline. The ABN form and instructions may be found at: https://www.cms.gov/Medicare/Medicare-General-Information/BNI/ABN