(1) For this part, "damages claim "means a claim for damages in relation to a work-related injury to a worker caused, or claimed to have been caused by—
(a) the negligence or other tort of the employer or a person for whose acts the employer is vicariously liable; or
(b) a breach of contract by the employer.
(2) Also, "damages claim "includes a claim for damages in relation to an injury caused, or claimed to have been caused, by negligence or another tort even if the damages are claimed in an action for breach of contract or other action.