Rule 3 The claimant shall file in support of the claim form a witness statement or affidavit stating—
(a)his interest in the land;
(b)the circumstances in which the land has been occupied without licence or consent and in which his claim to possession arises; and
(c)that he does not know the name of any person occupying the land who is not named in the claim form;
and, unless the Court directs, any such witness statement or affidavit may contain statements of information or belief with the sources and grounds thereof.