(1) The maritime liens set out in section 66 shall rank in the order listed, except that maritime liens securing claims for cost of salvage of the vessel shall take priority over all other maritime liens which have been attached to the vessel prior to the time when the operations giving rise to the said liens were performed.

(2) The maritime liens set out in paragraphs (a), (b), (d) and (e) of section 66 shall rank in pari passu as among themselves.

(3) Maritime liens to secure claims for the cost of salvage of a vessel shall rank in the inverse order of the time when the claim secured accrued. Such claims shall be considered to have accrued on the date on which each salvage operation was terminated.