Originally Posted by Lonewolf_50
When the Captain leaves the flight deck, there are two pilots, one in each seat.
WHO IS IN CHARGE?
According to the procedures in operation at the time, the Junior F/O, as PF, in the RH seat.
Originally Posted by Lonewolf_50
The new rule, which was the end of your post, seems to be
Whomever is now sitting the left seat is in charge until I get back and relieve him.
That's also my understanding.