Banking Regulations Designed to Prevent Failure of the Banking Sector Post-FINSAC Posted on May 27, 2009 by Your Financial FactSheet Jamaica Observer: “Banking regulations designed to prevent failure of the banking sector post-FINSAC” During the 1970s to the early 1980s, the legal regulatory framework permitted formation of merchant banks and building societies with much ease. The firewall between banking, insurance, money management and other financial services was eroded, giving rise to “groups” of companies.