authority of the chair; power of the Speaker; power of the President of the House of Councillors
Refers to the formal powers and authority vested in the presiding officer of a legislative body, such as the Speaker of the House of Representatives or the President of the House of Councillors in Japan.
The chair exercises the authority of the office to manage the proceedings.
Based on the authority of the chair, the Speaker can limit a member's remarks.
議長 is the person (chairperson, Speaker), while 議長職権 refers specifically to the authority or powers of that office.
職権 is a general term for official authority or power of an office; 議長職権 narrows it to the authority of the chair.
Compound of 議長 (chairperson, Speaker) and 職権 (official authority).