"Sec. 4. Tax imposed. There is hereby imposed upon every person within the state of Iowa engaged in conducting a business by a system of chain stores from any of which stores are sold or otherwise disposed of at retail tangible personal property such as goods, wares, and merchandise, an annual occupation tax for each taxable year during which year or any part thereof, such person is so engaged, as follows to wit:
"a. A specific amount on each person engaged in conducting a business by a system of chain stores to be determined as follows:
"1. Five (5) dollars for each store in excess of one (1) and not in excess of ten (10) if said business is conducted at not in excess of ten (10) stores within this state under a single or common ownership, supervision or management.
"2. Fifteen (15) dollars for each store in excess of ten (10) and not in excess of twenty (20) if said business is conducted at in excess of ten (10) but not in excess of twenty (20) stores within this state under a single or common ownership, supervision or management.
"3. Thirty-five (35) dollars for each store in excess of twenty (20) and not in excess of thirty (30) if said business is conducted at in excess of twenty (20) but not in excess of thirty (30) stores within this state under a single or common ownership, supervision or management.
"4. Sixty-five (65) dollars for each store in excess of thirty (30) and not in excess of forty (40) if said business is conducted at in excess of thirty (30) but not in excess of forty (40) stores within this state under a single or common ownership, supervision or management.
"5. One hundred five (105) dollars for each store in excess of forty (40) and not in excess of fifty (50) if said business is conducted at in excess of forty (40) and not in excess of fifty (50) stores within the state under a single or common ownership, supervision or management.
"6. One hundred fifty-five (155) dollars for each store in excess of fifty (50) if said business is conducted at in excess of fifty (50) stores within this state under a single or common ownership, supervision or management.
"b. An amount based on the combined gross receipts of each person on all of said business of each and all stores within this state under a single or common ownership, control, supervision, or management, conducting a business by a system of chain stores, but which shall be computed by applying the following rates to the entire or combined gross receipts:
"1. $25.00 when the gross receipts are not in excess of fifty thousand (50,000) dollars.
"2. $10.00 for each additional $10,000 or fraction thereof of gross receipts in excess of fifty thousand (50,000) dollars but not in excess of one hundred thousand (100,000) dollars.
"3. $25.00 for each additional $10,000 or fraction thereof of gross receipts in excess of one hundred thousand (100,000) dollars but not in excess of one hundred fifty thousand (150,000) dollars.
"4. $60.00 for each additional $10,000 or fraction thereof of gross receipts in excess of one hundred fifty thousand (150,000) dollars but not in excess of two hundred thousand (200,000) dollars.
"5. $75.00 for each additional $10,000 or fraction thereof of gross receipts in excess of two hundred thousand (200,000) dollars but not in excess of three hundred thousand (300,000) dollars.
"6. $100.00 for each additional $10,000 or fraction thereof of gross receipts in excess of three hundred thousand (300,000) dollars but not in excess of four hundred thousand (400,000) dollars.
"7. $125.00 for each additional $10,000 or fraction thereof of gross receipts in excess of four hundred thousand (400,000) dollars but not in excess of five hundred thousand (500,000) dollars.
"8. $150.00 for each additional $10,000 or fraction thereof of gross receipts in excess of five hundred thousand (500,000) dollars but not in excess of six hundred thousand (600,000) dollars.
"9. $175.00 for each additional $10,000 or fraction thereof of gross receipts in excess of six hundred thousand (600,000) dollars but not in excess of seven hundred thousand (700,000) dollars.
"10. $200.00 for each additional $10,000 or fraction thereof of gross receipts in excess of seven hundred thousand (700,000) dollars but not in excess of eight hundred thousand (800,000) dollars.
"11. $225.00 for each additional $10,000 or fraction thereof of gross receipts in excess of eight hundred thousand (800,000) dollars but not in excess of nine hundred thousand (900,000) dollars.
"12. $250.00 for each additional $10,000 or fraction thereof of gross receipts in excess of nine hundred thousand (900,000) dollars but not in excess of one million (1,000,000) dollars.
"13. $275.00 for each additional $10,000 or fraction thereof of gross receipts in excess of one million (1,000,000) dollars but not in excess of one million two hundred fifty thousand (1,250,000) dollars.
"14. $300.00 for each additional $10,000 or fraction thereof of gross receipts in excess of one million two hundred fifty thousand (1,250,000) dollars but not in excess of one million five hundred thousand (1,500,000) dollars.
"15. $325.00 for each additional $10,000 or fraction thereof of gross receipts in excess of one million five hundred thousand (1,500,000) dollars but not in excess of one million seven hundred fifty thousand (1,750,000) dollars
"16. $350.00 for each additional $10,000 or fraction thereof of gross receipts in excess of one million seven hundred fifty thousand (1,750,000) dollars but not in excess of two million (2,000,000) dollars.
"17. $375.00 for each additional $10,000 or fraction thereof of gross receipts in excess of two million ($2,000,000) dollars but not in excess of two million five hundred thousand (2,500,000) dollars.
"18. $400.00 for each additional $10,000 or fraction thereof of gross receipts in excess of two million five hundred thousand (2,500,000) dollars but not in excess of three million (3,000,000) dollars.
"19. $425.00 for each additional $10,000 or fraction thereof of gross receipts in excess of three million (3,000,000) dollars but not in excess of three million five hundred thousand (3,500,000) dollars.
"20. $450.00 for each additional $10,000 or fraction thereof of gross receipts in excess of three million five hundred thousand (3,500,000) dollars but not in excess of four million (4,000,000) dollars.
"21. $475.00 for each additional $10,000 or fraction thereof of gross receipts in excess of four million (4,000,000) dollars but not in excess of four million five hundred thousand (4,500,000) dollars.
"22. $500.00 for each additional $10,000 or fraction thereof of gross receipts in excess of four million five hundred thousand (4,500,000) dollars but not in excess of five million (5,000,000) dollars.
"23. $600.00 for each additional $10,000 or fraction thereof of gross receipts in excess of five million (5,000,000) dollars but not in excess of six million (6,000,000) dollars.
"24. $700.00 for each additional $10,000 or fraction thereof of gross receipts in excess of six million (6,000,000) dollars but not in excess of seven million (7,000,000) dollars.
"25. $800.00 for each additional $10,000 or fraction thereof of gross receipts in excess of seven million (7,000,000) dollars but not in excess of eight million (8,000,000) dollars.
"26. $900.00 for each additional $10,000 or fraction thereof of gross receipts in excess of eight million (8,000,000) dollars but not in excess of nine million (9,000,000) dollars.
"27. $1,000 for each additional $10,000 or fraction thereof of gross receipts in excess of nine million (9,000,000) dollars.
"The tax imposed by subsection `b' hereof shall be computed for the annual period commencing July 1, 1935, and terminating June 30, 1936, and for each succeeding twelve month period thereafter. The tax imposed by subsection `a' hereof shall be due and payable on July 1, 1935, and on July first of each succeeding year thereafter; the tax imposed hereby as far as measured by subsection `a' hereof, shall be computed on the basis of the number of stores operated by any person under a system of chain stores in this state as of July first of each taxable year. The tax imposed by subsection `b' hereof shall be due and payable on August 1, 1936, and on August first of each succeeding year thereafter or within thirty days after any person liable for such tax shall cease entirely to do business within this state of the kind on which the tax is imposed."
