(1) In this Chapter -

"business premises", in relation to a body corporate, includes all premises occupied by that body for the purpose of any trade carried on by it and, except when the reference is expressly to premises which include living accommodation, includes so much of any such premises so occupied as is used wholly or mainly as living accommodation for any of the of the body corporate or for any persons employed by the body corporate in any to which this Chapter applies;

"business use", in relation to the use of an asset by a person, means the use of that asset by the person in the performance of the duties of the person's office or employment;