SHAFAQNA – The Grand Ayatollah Sistani answered a question about performing Salaat Imam Zaman (AJ).
Question: Can Salaat Imam Zaman (AJ) be performed in congregation or in a group?
The Grand Ayatollah Sistani: It (Salaat Imam Zaman (AJ)) is not allowed in congregation but there is no problem in a group.
Source: PERSIAN SHAFAQNA