Legislative Council of Hong Kong

“ However, in determining the geographical scope for any of the following rights or obligations, the Mainland Port Area is to be regarded as an area lying outside Hong Kong but lying within the Mainland—
(a) a pre-existing right or pre-existing obligation that has arisen because of an order specified in Schedule 4; (b) a pre-existing right or pre-existing obligation that has arisen because of any other statutory authority, but only to the extent that the right or obligation may be exercised or discharged in relation to a non-reserved matter ”

“ For the purposes of this Ordinance—
(a) a reserved matter is a matter to which the laws of Hong Kong apply, and over which Hong Kong exercises jurisdiction, under Article 3 or 7 of the Co-operation Arrangement; and (b) a non-reserved matter is a matter to which the laws of the Mainland apply, and over which the Mainland exercises jurisdiction, under Article 4 of the Co-operation Arrangement. ”

“ Article 3 The establishment of the Mainland Port Area does not affect construction rights, rights relating to the performance of construction work, service concession, operation as well as regulation of the Hong Kong Section of the Guangzhou-Shenzhen-Hong Kong Express Rail Link ”