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ARIZONA STATE SENATE
Fifty-Third Legislature, Second Regular Session
workers' compensation; rate deviations
Purpose
Background
The Department of Insurance (Department) oversees insurance rate regulation to promote the public welfare and prevent discriminatory rates (A.R.S. § 20-341). Current law designates the National Council on Compensation Insurance (NCCI) as the designated rating organization for the annual making and filing of workers' compensation rates (A.R.S. § 20-371). The filing, known as a uniform plan, assigns differing rates based on industry classifications and specific job classifications.
A workers' compensation insurer may submit a uniform percentage increase or decrease to the uniform plan, referred to as a deviation, to the Department and NCCI. For each rate filing, the insurer may apply either: 1) a uniform percentage increase or decrease; or 2) a schedule rating plan reflecting the individual risk characteristics of the insured subject. The Department may require actuarial substantiation of a deviation at any time (A.R.S. § 20-359).
Legislation enacted in 2017 allows an insurer to group employers based on their respective experience and propensity for loss, also known as a tiered rating system (Laws 2017, Chapter 267). This system allows an insurer to distinguish between employers with varying risk profiles by applying one deviation to a group of employers with a historically high loss history and a different deviation to employers with a historically low loss history. Current law requires an insurer to apply either a deviation or a schedule rating plan to a single insured employer.
There is no anticipated fiscal impact to the state General Fund associated with this legislation.
Provisions
1. Allows a workers' compensation insurer to apply both deviations and schedule ratings to an insured employer, but not both to a single risk group within the employer.
2. Becomes effective on the general effective date, retroactive to March 1, 2018.
House Action
BI 1/11/18 DP 8-0-0-0
3rd Read 1/29/18 59-0-1-0
Prepared by Senate Research
February 21, 2018
GH/lb