(2) A network facilities provider shall comply with an agreement in force under subsection (1). 220. Conditions to which a network facilities installation permit is subject. If — (a) a network facilities provider engages, or proposes to engage, in an activity covered by this Chapter; (b) that activity is or will be authorised by a network facilities installation permit; and (c) the network facilities installation permit is subject to one or more conditions, the network facilities provider shall comply with those conditions. 221. Notice to owner of land. (1) Before engaging in an activity under this Chapter in relation to any land, a network facilities provider shall give written notice of his intention to do so — (a) to the owner of the land; and (b) if the land is occupied by a person other than the owner, to the occupier. (2) The notice must specify the purpose for which the provider intends to engage in the activity. (3) The notice under subsection (1) must contain a statement to the effect that if a person suffers financial loss or damage in relation to property because of anything done by the provider in engaging in the activity, compensation may be payable. (4) The notice under subsection (1) must be given at least fourteen days before the provider begins to engage in the activity. (5) A person may waive the person's right to be given a notice under subsection (1). (6) Subsection (1) does not apply if — (a) the network facilities provider has complied with any technical code and mandatory standards relevant to the activity; and (b) the activity needs to be carried out without delay in order to protect — (i) the integrity of network facilities; (ii) the health or safety of persons; (iii) the environment; (iv) property; or (v) the maintenance of an adequate level of service. (7) Subsection (1) does not apply if — (a) the provider intends to engage in activities under section 214; (b) engaging in those activities does not involve any material disturbance to the land; and