Brown adipose tissue (BAT) , also known as brown fat, is one of two types of fat humans and other mammals have-the other type is known as white or yellow fat. Human newborns and hibernating mammals have high levels of brown fat.Brown fat's main function is to generate body heat.rown adipose tissue (BAT) , also known as brown fat, is one of two types of fat humans and other mammals have-the other type is known as white or yellow fat. Human newborns and hibernating mammals have high levels of brown fat.
California law requires that mileage reimbursement be paid no matter what the persons wages are. A recent court decision allows mileage reimbursement be paid as wages, but it also must be annotated on pay records what portion of those wages are for reimbursement.
IRS Mileage Reimbursement Rates. An employer is not required to reimburse their California employees at the rate set by the IRS. A lower rate can be used. However, regardless of the rate set by the employer, California law requires that the employee be reimbursed for all of his or her employment-related expenses. Note: The California mileage rate is not set in stone like the IRS mileage rate. Employers are required to reimburse California employees for their employment expenses. Typically, employers conveniently use the IRS rate.