means--
| a) | a national government business enterprise; or |
| b) | a board, commission, company, corporation, fund or other entity (other than a national government business enterprise) which is-- |
| i) | established in terms of national legislation; |
| ii) | fully or substantially funded either from the National Revenue Fund, or by way of a tax, levy or other money imposed in terms of national legislation; and |
| iii) | accountable to Parliament. |