The FASB Accounting Standards Codification represents the single source of authoritative U.S. generally accepted accounting principles.

Required:
1. Obtain the relevant authoritative literature on the impairment or disposal of long-lived assets using the FASB's Codification Research System at the FASB website (www.fasb.org). Indicate the Codification topic number that provides guidance on accounting for the impairment of long-lived assets.
2. What is the specific citation that discusses the disclosures required in the notes to the financial statements for the impairment of long-lived assets classified as held and used?