Each of the State Police shall receive a salary in accordance with the current State Police compensation schedule. Years of service commence as of anniversary date of hire. The Superintendent of State Police shall receive a salary that is 9 percent greater than the Assistant Superintendent of State Police. The Assistant Superintendent of State Police shall receive a salary that is 9 percent greater than the most senior ranking major of the State Police. Upon the retirement of the most senior major, no adjustment shall be made to the salaries of the incumbent Superintendent or Assistant Superintendent. Adjustments shall be made during the normal budget process.