9. No person may refuse to respond to a request for goods or services or to a request relating to employment by reason of the applicant’s refusal to disclose personal information except where
(1) collection of that information is necessary for the conclusion or performance of a contract;
(2) collection of that information is authorized by law; or
(3) there are reasonable grounds to believe that the request is not lawful.
In case of doubt, personal information is considered to be non-necessary.