means an act or omission—
| (a) | which is in contravention of— |
| (i) | this Act; or |
| (ii) | any condition attached to a price control that has been determined in terms of this Act; or |
| (b) | that constitutes a charge greater than allowed under— |
| (i) | a price control that has been determined in terms of this Act; or |
| (ii) | an agreement permitted in terms of section 11(9)(c); |