Federal Reserve Bank of Dallas. "Regulation K - International Banking Operations, Circular No. 81-218," District Notices (Federal Reserve Bank of Dallas) (November 17, 1981). https://fraser.stlouisfed.org/scribd/?item_id=541400&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19811117_no81-218.pdf&start_page=1, accessed on September 25, 2017.
Federal Reserve Board Press Release 10-13-81 Requiring Comment on Docket No. R-0366 by 12-18-81 on Investment Advance Services Proposal.