A visa notification issued by the authorized Chinese unit or proof of kinship, e. g. marriage certificate, birth certificate, etc, is required for the accompanying family members. ;

来华工作人员的随任家属，须提供中方被授权单位的签证通知函电和证明亲属关系的文件（如结婚证、出生证等）原件和复印件，但无需提供就业批准文件。

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The G-20 grouping of big economies has also endorsed the idea of using visa bans against corrupt officials.

ECONOMIST: Visa sanctions