Section 21: Admission by privies.

1 Statements made by a party to the proceeding or by an agent to any such party, whom the court regards, in the circumstances of the case, is expressly or impliedly authorised by him to make them, are admissions.

2 Statements made by parties to suits, suing or sued in a representative character, are not admissions unless they were made while the party making them held that character.

3 Statements made by persons-
a who have any proprietary or pecuniary interest in the subject-matter of the proceedings and who made the statements in their character of persons so interested; or
b from whom the parties to the suit have derived their interest in the subject matter of the suit, are admissions, if they are made during the continuance of the interest of the person making the statements.