Claim
This has two meanings: a) the subject matter of the case (such as unfair dismissal or discrimination etc.); b) the worker’s document which starts the ET proceedings (originating application) known as an “ET1”.

This has two meanings: a) the subject matter of the case (such as unfair dismissal or discrimination etc.); b) the worker’s document which starts the ET proceedings (originating application) known as an “ET1”.
The party bringing the claim. In the past this party was referred to as the “plaintiff”.