Salaat of any person will not be accepted if the Imaam is:
- Insane (mad)
- Drunk
- Disbeliever [does not believe in the religion]
- Mushrik
- If the Imaam is not a Baaligh (mature) then the Salaat of the Baaligh will not be accepted.
- If the Imaam is a Woman, Salaat of Males will not be accepted.