This corrigendum corrects errors in IEEE Std 1609.4 TM -2010 in the following areas: References to current documents including IEEE Std 1609.0(TM), IEEE Std 1609.2(TM), IEEE Std 609.12(TM), and IEEE P1609.6(TM). Also IEEE Std 802.11p(TM), now part of IEEE Std 802.11(TM)-2012; Clarification of channel access features in the document body and PICS; Clarification of the common time reference; Clarification of the requirement for setting channel busy during the guard interval.