46 
(2)  For the purposes of sub-paragraph (1), “network and  information” system has the meaning in 
regulation 1(2) of the Network and Information Systems Regulations 2018(a). 
40.  A person who is engaged in urgent or essential work— 
(a)  that is necessary for the continued operation of— 
(i)  electronic communications networks and services as defined in section 32 of the 
Communications Act 2003(b), or 
(ii)  the BBC’s broadcasting transmission network and services; 
(b)  in associated supply chain companies that maintain the confidentiality, integrity, and 
availability of the electronic communications netwo rks and services and the BBC 
transmission network and services, 
where they have travelled to the United Kingdom in the course of their work. 
41.  A person— 
(a)  who is engaged in the installation, maintenance or repair of subsea fibre optic 
telecommunications infrastructure; 
(b)  whose role directly supports the installation, main tenance or repair of subsea fibre optic 
telecommunications infrastructure, 
where they have travelled to the United Kingdom in the course of their work. 
42. —(1) A person ordinarily resident in the United Kin gdom and who pursues a work-related 
activity in another country to which they usually t ravel at least once a week which is certified by 
their employer, or in the case of a self-employed person certified by them, as being— 
(a)  an activity that cannot be done remotely; and 
(b)  critical. 
(2)  For the purposes of sub-paragraph (1), an activity is critical if— 
(a)  it would be defined as critical, or equivalent terminology, in legislation or guidance in use 
in that country; or 
(b)  if the country has no such definition, if a person is pursuing an activity which would fall 
under one of the other paragraphs in this Schedule if it were carried out in the United 
Kingdom. 
43. —(1) A person who has an offer of employment for se asonal work to carry out specified 
activities in edible horticulture on a specified farm. 
(2)  For the purposes of sub-paragraph (1)— 
(a)  “seasonal work” is employment which fluctuates or i s restricted due to the season or time 
of the year; 
(b)  “edible horticulture” means growing— 
(i)  protected vegetables grown in glasshouse systems, 
(ii)  field vegetables grown outdoors, including vegetabl es, herbs, leafy salads and 
potatoes, 
(iii)  soft fruit grown outdoors or under cover, 
(iv)  trees that bear fruit, 
(v)  vines and bines, 
(vi)  mushrooms; 
(c)  “specified farm” means the farm named in that perso n’s passenger information; 
                                                                                                                                            
(a) S.I. 2018/506. 
(b) 2003 c. 21. The definition of “electronic communi cations network” was amended by S.I. 2011/1210.