For purposes of determining a diplomat's suitability to the post he or she occupies and for purposes of career advancement, attestation_the rules for which are set by the government_is held once every three years.
“如果外交官与其近亲（父母、夫妻、子女、兄弟、姐妹）中某一人有直接服从或监管关系，则禁止外交官与其一起工作”。