By Alan W. Avery, Todd Beauchamp, Stephen P. Wink, Pia Naib, Loyal T. Horsley, Charles Weinstein, and Deric Behar On September 21, 2020, the US Office of the Comptroller of the Currency (OCC) issued Interpretive Letter #1172 (the Letter), giving national banks and federal savings associations (FSAs) the greenlight to…