Federal Reserve Bank of Dallas. "Technical Amendments to Regulation Z, Circular No. 81-245," District Notices (Federal Reserve Bank of Dallas) (December 29, 1981). https://fraser.stlouisfed.org/scribd/?item_id=541427&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19811229_no81-245.pdf&start_page=1, accessed on September 24, 2017.
Regulation Z Truth in Lending. Technical Amendment to Appendices E and G of Regulation and to Official Staff Commentary, Approved 12-3-81.