Sec. 4. The salary of such rural school supervisor shall be determined by the County Board of County Trustees and the County Superintendent, provided that the total salary paid each such supervisor shall not exceed two thousand, four hundred dollars ($2,400.00) for any one year, including traveling expenses.  The said salary shall be paid out of the State available funds apportioned to the said county each scholastic year.
Sec. 5. The employment of a rural supervisor under the terms of this Act shall exempt the County Superintendent from holding teachers' institutes for rural teachers and teachers of independent districts of the county and shall exempt the teachers from attendance upon a teachers' institute as provided in Article 2691, Revised Civil Statutes of Texas, of 1925, and as amended by the 40th Legislature.