Hong Kong Re-entry Permit

Hong Kong Re-entry Permits (Chinese: 回港證; Cantonese Yale: Wùigóngjing) are issued to Hong Kong residents by the Hong Kong Special Administrative Region (HKSAR) for travel to mainland China and Macau Special Administrative Region. == Eligibility == The eligibility of Hong Kong Re-entry permit is: Chinese citizens who have either acquired the right of abode or been granted unconditional stay in Hong Kong.

Source: Wikipedia — Hong Kong Re-entry Permit (CC BY-SA 4.0)