6. Common seal of Board

The common seal of the Board must bear such device as the Board may approve and the seal may be broken, changed, altered or made anew by the Board as it thinks fit.

The common seal must be kept in the custody of the president and must be authenticated by the president or other member acting in the president’s absence.

Any document purporting to be sealed and authenticated under subsection (2) is, until the contrary is proved, deemed to be validly executed.