Rule 110. Titles, Conditions, Exceptions, and Headings

(a) The title or heading of a rule may be considered in construing the rule.

(b) Conditions shall be construed to limit rather than to extend the operation of the clauses to which they refer.

(c) Exceptions expressed in a rule shall be construed to exclude all others.

(d) The title or heading prefixed to a chapter of rules shall not be considered to control but may be used in construing the rules.