| 5.__Change in rate of pay.__Notwithstanding the provision of |
| section 623 exempting salaried employees as defined in section |
| 663, subsection 3, paragraph K, payment of wages or salary must |
| be made at the rate previously established by the employer, |
| except that the employer may decrease the rate of pay, effective |
| the next working day, if the employer gives notice to all |
| affected employees prior to the change.__When an employer has |
| temporarily increased an employee's wage rate to comply with the |
| prevailing wage requirements of chapter 15; the Davis-Bacon Act, |
| 40 United States Code, Section 276a et seq.; or other applicable |
| federal or state law, an employer need not provide advance notice |
| prior to returning the employee to the employee's regular wage |
| rate, as long as the employer is in compliance with all posting |
| and notice provisions of the applicable law.__Changes of rates of |
| pay made under a collective bargaining agreement are exempt from |
| this requirement. |