“(1) A relevant person must not, in relation to a dwelling that is to be let on a relevant tenancy—

(a) on the basis that a child would live with or visit a person at the dwelling if the dwelling were the person’s home, prevent the person from—

(i) enquiring whether the dwelling is available for let,

(ii) accessing information about the dwelling,

(iii) viewing the dwelling in order to consider whether to seek to rent it, or

(iv) entering into a tenancy of the dwelling, or

(b) apply a provision, criterion or practice in order to make people who would have a child live with or visit them at the dwelling, if it were their home, less likely to enter into a tenancy of the dwelling than people who would not.

(2) Subsection (1) does not apply if—

(a) the relevant person can show that the conduct is a proportionate means of achieving a legitimate aim, or

(b) the relevant person can show that the prospective landlord of the dwelling, or a person who would be a superior landlord in relation to the dwelling, is insured under a contract of insurance—