Executions for collection of assessments for laying, §48-5-358. Statute of limitations. Refunds, §48-5-380. Streets and sidewalks. Executions for collection of assessments for paving streets, §48-5-358. Frontage owned by state or subdivisions abutting streets or sidewalks. Treated as owned by individuals for purpose of assessment for improvements, §48-5-357. Superior courts. Refunds, §48-5-380. Tax executions. Paving streets, laying sewers or other improvements. Collection of assessments, §48-5-358. Sale of property for taxes due municipality, §48-5-359. Teachers retirement system. Power to levy and collect taxes to pay benefits under, §48-5-351. Title acquired by municipality at tax sale, §48-5-359. Training and education of local officials and staff, §48-5-13. Traveling salesmen. Exemption, §48-5-354. MUSEUMS. Civil rights museums. Sales and use tax exemption, §48-8-3. Sales and use tax exemptions. Admission charges for fine arts performance or exhibition in nonprofit facility or museum of cultural significance, §48-8-3. Property used in construction of museum, §48-8-3. Use of objects of art and anthropological, archeological, etc., objects or artifacts, §48-8-3. N NATIONAL GUARD. Georgia national guard foundation. Contributions, income tax refund, §48-7-62. Income taxes.