If you are in negotiations with the opposing party and are approaching your limitation date, you may want to secure your right to proceed with legal by issuing a claim. You do not need to serve it if you reach an agreement with the opposing party. You may also want to protect your limitation period by issuing a claim against the opposing party even if you cannot confirm their address for service or know they cannot pay the debt at the moment, but will likely be in a position to pay in the future.