Section 26 - Estoppel by own statement or conduct

Except as otherwise provided by law, including a rule of equity, when a party has, by that party’s own statement, act or omission, intentionally and deliberately caused or permitted another person to believe a thing to be true and to act upon that belief, the truth of the thing shall be conclusively presumed against that party or the successors in interest of that party in proceedings between

(a) that party or the successors in interest of that party, and

(b) the relying person or successors in interest of that person.