The phased ALMA array is expected to participate in Global mm-VLBI Array (GMVA) observations during ALMA Cycle 9 (October 2022 - September 2023). An introduction to the GMVA+ALMA observing mode including a link to all current capabilities and restrictions is available here.
Any GMVA+ALMA proposal must be submitted to the GMVA before the GMVA deadline on 01 February 2022. In addition, a separate proposal must be submitted to ALMA by the deadline on 21 April 2022.