The listing and trading on the Stock Exchange of Hong Kong of the domestic unlisted shares of an H-share company, including domestic shares held before the overseas listing, domestic shares issued domestically after it, and unlisted shares held by foreign shareholders. Under the CSRC Business Guidelines on Full Circulation of Domestic Unlisted Shares of H-share Companies, the application is made to the CSRC under the administrative licensing procedure for overseas public offerings and listings (including additional issuance); once approved, shareholders convert the shares through China Securities Depository and Clearing, and shares that have been listed and traded in Hong Kong cannot be moved back to the Mainland. CSRC notices show that the current practice is a CSRC filing with a filing notice; the CSRC announcements prevail. Basis: CSRC Announcement [2019] No. 22.
The links above lead to official sources such as HKEX and the SFC. The explanation on this site summarises them and may differ from the official definition; the official documents prevail.
This page explains the HK IPO term "H-share Full Circulation" and links to related terms. Definitions are compiled from HKEX Practice Note 18 and the Listing Rules, for understanding subscription rules only — not investment advice.