IFR commercial operation...two pilots...First officer operates from the right hand seat...this is standard until the F/O has reached the hours to be upgraded to Captain.
It is unsafe and not recommended to operate an aeroplane from either seat, unless you are trained and checked-out for this.
It is very important that also in small aeroplanes the basic principles of managing a flying machine are valid.
I hear now a lot of hammering coming in...no reason for that. It actually doesn't matter where you sit, flying the machine is important, and that within the trained and known circumstances. Sitting with 4 stripes on the right hand seat means that you are at least a Line Trainer...so where is the problem.