summons to appear before the Diet
Formal term used when the Japanese Diet (国会) summons a person to testify or provide information. Often used in political or legal contexts.
The opposition party demanded that the witness be summoned to the Diet.
There is an obligation to comply with a Diet summons.
証人喚問 specifically refers to the questioning of a witness under oath in the Diet, while 国会招致 is the broader act of summoning someone to appear.
Compound of 国会 (Diet, parliament) and 招致 (summons, invitation). The term is straightforward and modern, with no obscure historical derivation.