信しん任にん状じょう

noun

credentials; letter of credence

Formal document certifying a person's authority, especially a diplomat's credentials presented to a head of state.

• 新しん任にん大たい使しは大だい統とう領りょうに信しん任にん状じょうを奉ほう呈ていした。

  The new ambassador presented his credentials to the president.