Incorporation by Reference.

§ 77.2 Incorporation by Reference. (a) Certain material is incorporated by reference into this part with the approval of the Director of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. All approved material is available for inspection at Institute of Education Sciences, National Center for Education Evaluation and Regional Assistance by email at Contact.WWC@ed.gov, and is available from the sources listed in paragraph (b) of this section. It is also available for inspection at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email fedreg.legal@nara.gov, or go to http://www.archives.gov/federal-register/cfr/ibr-locations.html . (b) Institute of Education Sciences, 550 12th Street SW, Washington, DC 20202, (202) 245–6940, http://ies.ed.gov/ncee/wwc/Handbooks . (1) What Works Clearinghouse Standards Handbook, Version 4.1, January 2020, IBR approved for § 77.1. (2) What Works Clearinghouse Procedures Handbook, Version 4.1, January 2020, IBR approved for § 77.1. (3) What Works Clearinghouse Standards Handbook, Version 4.0, October 2017, IBR approved for § 77.1. (4) What Works Clearinghouse Procedures Handbook, Version 4.0, October 2017, IBR approved for § 77.1. (5) What Works Clearinghouse Procedures and Standards Handbook, Version 3.0, March 2014, IBR approved for § 77.1. (6) What Works Clearinghouse Procedures and Standards Handbook, Version 2.1, September 2011, IBR approved for § 77.1. [82 FR 35450, July 31, 2017, as amended at 85 FR 62612, Oct. 5, 2020]