(1) In a limitation claim the person seeking relief is to be the claimant and must be named in the claim by name and not described merely as the owner of, or as bearing some other relation to, a particular ship or other property.
(2) The claimant must make one of the persons with claims against it in respect of the casualty to which the proceedings relates a defendant to the proceedings and may also make any or all of the others defendants.
(3) At least one of the defendants to the proceedings must be named in the claim by name but the other defendants may be described generally and not named by their names.
(4) The claim form must be served on one or more of the defendants who are named by their names therein and need not be served on any other defendant.
(5) In this rule and rules 72.36, 72.37 and 72.38, “name” includes a firm name or the name under which a person carries on business.
(6) If any person with a claim against the claimant in respect of the casualty to which the proceedings relates is described for the purposes of the claim —
(a) merely as the owner of; or
(b) as bearing some other relation to,
a ship or other property, that person may be so described as defendant in the claim and, if so described, is deemed for the purposes of the rules mentioned in paragraph (5) to have been named in the claim by name.