Exemptions. Geo. L. Smith II Georgia World Congress Center, §10-9-10. Geo. L. Smith II Georgia World Congress Center. Exemption from taxation, §10-9-10. PROPRIETARY RIGHTS. Notes or contracts for purchase or sale. Consideration to be stated, §10-3-3. Penalty for violations, §10-3-5. Purchaser takes subject to equities, §10-3-4. PROPYLENE.