// From February 20, six categories of experts working in the bay are eligible to apply, including those in science and research, academia, health, legal and other higher management candidates, as well as “extraordinary talent” who can bring significant contributions to the area’s development.

Mainlanders considered “extraordinary talent” can get a visa for up to five years, while candidates in science and research, academia and health, can apply for a three-year visa. https://www.thestandard.com.hk/section-news/section/11/249707/Bay-talent-granted-unlimited-travel-to-Hong-Kong,-Macau //