So much has happened since TCJA legislation, and everyone is struggling to keep up. Examples include 163(j) - options, exceptions, aggregation, tax shelters; centralized partnership audit regime; K-1, K-2 and K-3 and all those codes - K-1s are not what they used to be; tax basis, 704(b) basis, 704(c), inside basis, outside basis - where do we start?