The competition is set to be held in Singapore, with Ha is required to follow a number of COVID-19 prevention and control measures.
The referee must be fully vaccinated against the pandemic, conduct COVID-19 tests, and be put into isolation at a hotel within 48 hours upon arrival in Singapore.
Referees at the tournament must also comply with the AFF's "bubble rules", with all of their activities taking place behind closed door and being in line with pandemic prevention rules.
Vietnam have been drawn in Group B alongside Malaysia, Indonesia, Cambodia, and Laos. The national squad is set to depart for Singapore on December 1 in preparation for the tournament.
The national team will go into the competition looking to defend their crown as current champions.