Sacramento California Proof of Service by Mail for Workers' Compensation is a legal document required in the state of California to provide proof that certain legal papers, such as pleadings, correspondence, or notices, have been properly sent to all necessary parties involved in a workers' compensation case via mail. This type of proof is essential to ensure that all parties have received the necessary information and maintain transparency throughout the legal process. There are several types of Sacramento California Proof of Service by Mail that are commonly used in workers' compensation cases: 1. Proof of Service by Mail (CAB Form 123): This form is used by individuals involved in a workers' compensation case to demonstrate that legal documents, such as petitions or claims, have been appropriately mailed to all required parties. It requires specific information, including the names and addresses of the parties served, the date of mailing, and the method utilized. 2. Proof of Service by First-Class Mail (CAB Form 124): This form is used to prove the service of various workers' compensation legal documents that were sent via first-class mail. It includes information such as the name and address of the person served, the date of mailing, and specifics regarding the document served. 3. Proof of Service by Certified Mail (CAB Form 119): This form is utilized to provide proof of service for legal documents sent via certified mail. It includes the same required information as other Proof of Service forms but also includes the tracking number of the certified mail item. 4. Proof of Service by Priority Mail Express (CAB Form 132): This form is designed for proof of service when using the Priority Mail Express mail service. Similar to other Proof of Service forms, it requires details about the parties served and the date of mailing, but it also requires the Priority Mail Express tracking number. Sacramento California Proof of Service by Mail for Workers' Compensation is crucial in ensuring all parties involved in a workers' compensation case have received the necessary legal documents. By fulfilling this requirement, it promotes transparency, fairness, and legal compliance throughout the litigation process.