There is hereby established the office of post auditor. The post auditor shall be appointed by the legislative post audit committee and shall serve under its direction. The post auditor may be removed from office by the affirmative vote of not less than seven members of the legislative post audit committee taken at any regular meeting of such committee. The post auditor shall be a person of extensive experience and recognized qualification in the field of governmental fiscal procedures and auditing. The post auditor shall be in the unclassified service and shall receive such compensation as is determined by the legislative coordinating council, except that such compensation may be increased but not diminished during such service. The legislative post audit committee may recommend to the legislative coordinating council changes in the compensation of the post auditor. The post auditor shall receive travel expenses and subsistence expenses and allowances as provided for members of the legislature in Kan. Stat. Ann. §§ 75-3212 and amendments thereto when attending any authorized meeting or business outside the city of Topeka.