This document summarizes changes between the 2000 and 2014 editions of the Joint Building Contracts Committee (JBCC) standard form construction contracts used in South Africa. Some key changes include streamlining and restructuring the contract from 40 to 30 clauses, expanding and clarifying contractor and employer duties, consolidating insurance provisions, reformulating security provisions, and increasing contractor liability for works risk while defining force majeure events. Specific changes are outlined for indemnities, setting out, subcontractors, and completion phases. The document provides an overview of the evolution of the JBCC standard forms and significant differences between editions.