Federal Reserve Bank of Dallas. "Revised Bulletin 9, Circular No. 81-57," District Notices (Federal Reserve Bank of Dallas) (March 18, 1981). https://fraser.stlouisfed.org/scribd/?item_id=541239&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19810318_no81-057.pdf&start_page=1, accessed on October 22, 2017.
Bulletin 9 Collection of Noncash Items. Revised Effective 3-81. Provision for Automatic Charge Agreements Now Included in Appendix C.