73.—(1) This Part applies to the following proceedings heard before the comptroller—
(a)applications, references and requests under the provisions mentioned in Part 1 of Schedule 3;
(b)oppositions under the provisions mentioned in Part 2 of that Schedule.
(2) The rules listed in Part 4 of that Schedule apply to any proceedings heard before the comptroller under the Act.
(3) In this Part—
“claimant” means a person who starts proceedings or is treated as starting proceedings under rule 76(1);
“defendant” means a person who files a counter-statement under rule 77(6) or (8);
“statement of case” means the statement of grounds or the counter-statement and references to a statement of case include part of the statement of case;
“statement of grounds” means a statement filed by the claimant;
“statement of truth” means a statement that the person making the statement believes that the facts stated in a particular document are true; and
“witness statement” means a written statement signed by a person that contains the evidence which that person would be allowed to give orally.