http://www.legislation.gov.uk/id/uksi/2013/2181

Port boundary: the Manchester Ship Canal3.

For the purposes of regulation 3(2)(a) of the Port Security Regulations 2009, the boundary of the Port of the Manchester Ship Canal is the same as the boundary of the Manchester Ship Canal, except that, for the areas shown on the plans headed—

(a)

“Eastham Locks”,

(b)

“Partington Basin North and Partington Jetty”, and

(c)

“Stanlow Oil Terminal”,

in Schedule 2, the boundary is shown by the waterward edges of the red lines on each of those plans.