The WBF assessment is a payroll assessment. that employers of Oregon workers have paid. since 1966. From 1966 to 1994, subject Oregon. employers paid this assessment (then commonly. referred to as the âcents-per-day taxâ), along. with their workersÂ´ compensation insurance. premiums, to their insurance carrier.
Leg pain, numbness, and tingling causes. Leg pain, numbness, and tingling may be caused by a variety of conditions that can originate in the back or in the leg itself. These conditions include:
1 Various diseases that affect nerves and muscles, such as Parkinson's, cause leg cramps. 2  Peripheral neuropathy, a complication of diabetes, can cause cramp-like pain, numbness, or tingling in the legs. 3  Patients with kidney disease undergoing dialysis are also prone to leg cramps.upropion (Wellbutrin), a newer antidepressant, may be helpful for restless legs syndrome (RLS). Bupropion is a weak dopamine reuptake inhibitor -- it causes a slight increase in the availability of dopamine in the brain.