The Oregon Self-Insured Employer Report of Losses Experience Rating Period is a period of time, determined by the Oregon Department of Consumer and Business Services (DUBS), during which Oregon employers who are self-insured are required to report their losses to the DUBS. The report is used to calculate the employer’s experience rating, which is a measure of the employer’s safety performance, and is used to determine the employer’s premium rate for workers’ compensation insurance. The report must be filed within three months of the end of the rating period, and must include the amount of the employer’s workers’ compensation losses, the corresponding payroll, and the employer’s total employees. There are two types of Oregon Self-Insured Employer Report of Losses Experience Rating Periods: the “standard” rating period, which is a three-year period beginning on the employer’s first day of self-insurance, and the “alternative” rating period, which is a one-year period beginning on the first day of the employer’s self-insured status and ending on the last day of the same calendar year.