USC : Title 26 - INTERNAL REVENUE CODE § 4181 - Imposition of tax
§ 4182 - Exemptions
§ 4216 - Definition of price
§ 4217 - Leases
§ 4218 - Use by manufacturer or importer considered sale
§ 4219 - Application of tax in case of sales by other than manufacturer or importer
§ 4221 - Certain tax-free sales
§ 4222 - Registration
§ 4223 - Special rules relating to further manufacture
§ 4225 - Exemption of articles manufactured or produced by Indians
§ 6001 - Notice or regulations requiring records, statements, and special returns
§ 6011 - General requirement of return, statement, or list
§ 6020 - Returns prepared for or executed by Secretary
§ 6021 - Listing by Secretary of taxable objects owned by nonresidents of internal revenue districts
§ 6061 - Signing of returns and other documents
§ 6071 - Time for filing returns and other documents
§ 6081 - Extension of time for filing returns
§ 6091 - Place for filing returns or other documents
§ 6101 - Period covered by returns or other documents
§ 6102 - Computations on returns or other documents
§ 6103 - Confidentiality and disclosure of returns and return information
§ 6104 - Publicity of information required from certain exempt organizations and certain trusts
§ 6109 - Identifying numbers
§ 6151 - Time and place for paying tax shown on returns
§ 6155 - Payment on notice and demand
§ 6161 - Extension of time for paying tax
§ 6301 - Collection authority
§ 6302 - Mode or time of collection
§ 6303 - Notice and demand for tax
§ 6311 - Payment of tax by commercially acceptable means
§ 6402 - Authority to make credits or refunds
§ 6404 - Abatements
§ 6416 - Certain taxes on sales and services
§ 7502 - Timely mailing treated as timely filing and paying