TAX RETURN PREPARATION SERVICES (SIC 7291) Establishments primarily engaged in providing tax return preparation services without also providing accounting, auditing, or bookkeeping services. Establishments providing tax return preparation services which also provide accounting, auditing, or bookkeeping services are classified in Industry 8721. Tax return preparation services (owned and operated by concessionaires) in department stores, etc. are classified in this industry and treated as separate establishments. However, tax return preparation services owned and operated as part of other businesses are considered part of the main establishment.