TSH in turn stimulates the thyroid to grow and to make thyroid hormones. The secretion of TRH and TSH is elegantly regulated by the brain, and is based in large part on the blood levels of thyroid hormone. The more thyroid hormone the brain detects in the blood, the less TRH and TSH are secreted.
The income tax withholding formula for the State of Oklahoma will include the following changes: 1  The flat tax rate on supplemental wages will change from 5.25 percent to 5.00 percent. 2  The Single and Married withholding tables will increase.
Oklahoma's top tax rate was cut by 0.25 percent in 2012. The state income tax rates now range from 0.5 percent to a high of 5.25 percent. More on Sooner State taxes can be found in the tabbed pages below.