means a resolution—
| a) | passed unanimously by all the members of the body corporate at a meeting at which— |
| i) | at least 80% calculated both in value and in number, of the votes of all the members of a body corporate are present or represented; and |
| ii) | all the members who cast their votes do so in favour of the resolution; or |
| b) | agreed to in writing by all the members of the body corporate. |