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Ruling 89-193, Repairs
Ruling 89-215, Affiliated Corporations
Ruling 89-206, Engineering
Ruling 89-230, Hazardous Waste
Ruling 89-177, Engineering
Ruling 89-233, Agricultural
Ruling 89-158, Software
Ruling 89-151, Consulting
Ruling 89-172, Consulting
Ruling 89-57, Exemption - Charitable
Ruling 89-212, Landscape/Architect
Ruling 89-214, Engineering
Ruling 89-102, Resale
Ruling 89-10, Testing
Bulletin #29, Corporation Business Tax
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