The following rules apply to determine the place where, for the purposes of this Act, services are supplied:

(a) except as provided by paragraphs (c), (d), (g), (i), (j) and (k), the place of supply of services to a taxable person acting as such is -

(i) subject to subparagraph (ii), the place where the person's business is established,

(ii) if the services are supplied to a fixed establishment of the person located in a place other than the place where the business is established, the place where the fixed establishment is located,

(iii) if there is no such place of business or fixed establishment, the place where the permanent address or usual place of residence of the taxable person who receives the services is located;

(b) except as provided by paragraphs (c) to (n), the place of supply of services to a non-taxable person is -

(i) subject to subparagraph (ii), the place where the supplier's business is established,