Washington SIDES (Self-Insurance Electronic Data Reporting System) Data Change Request is a service provided by the Washington State Department of Labor and Industries (L&I) to employers and third-party administrators (TPAs) who are registered with the Washington Self-Insurance Program. This service allows employers and TPAs to submit requests to change their self-insurance data electronically, including changes to contact information, policy numbers, group and policyholder information, premium payment information, and changes to the policy period. There are three types of Washington SIDES (Self-Insurance Electronic Data Reporting System) Data Change Requests: 1. Basic Data Change Request: This is a request to update or correct an existing self-insurance policy or plan. It includes changes to contact information, policy numbers, group and policyholder information, premium payment information, and changes to the policy period. 2. New Policy Data Change Request: This is a request to add a new self-insurance policy or plan to an existing self-insurance program. It includes information about the policy, policyholder, premium payment information, and changes to the policy period. 3. Termination Data Change Request: This is a request to terminate an existing self-insurance policy or plan. It includes information about the policy, policyholder, and the date of termination.