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:
The list below shows some of the causes of Numbness in one leg mentioned in various sources: 1  Leprosy. 2  Nerve compression. 3  Peripheral neuropathy. 4  Sciatica. 5  Subacute combined degeneration of spinal cord. 6  Tarsal tunnel syndrome. 7  Vertebral body tumour. 8  more causes...Â».