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Taxonomy Versioning. December 6th, 2006 9:30am EST Mark Montoya Federal Deposit Insurance Corporation (FDIC). What is Taxonomy Versioning?. • Ability to identify changes in taxonomy content - Technical - Business • Different levels of complexity - Taxonomy design
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Taxonomy Versioning • December 6th, 2006 • 9:30am EST • Mark Montoya • Federal Deposit Insurance Corporation • (FDIC)
What is Taxonomy Versioning? • • Ability to identify changes in taxonomy content • - Technical • - Business • • Different levels of complexity • - Taxonomy design • - Intended audience
What is the big deal? • • Financial Terms • - Maintenance through time • - Taxonomy maintenance though time • • Financial Reporting • - Amendments to reported data • - Instance document maintenance through time
Main Presentation • • Taxonomy Designs • Open vs. Closed • • Versioning Concerns • Dependence on implementation • • FDIC Implementation • Proprietary solution • • Resolution • Yes
Taxonomy Designs • • Open and Closed • - Taxonomy extensions • - Controlled collection • • Superset and Subset • - Maintenance through time • - Different financial reporting cycles
Versioning Concerns • Versioning Systems Internal tracking only • Data Exchange Common Agreement? • Financial Reporting Not “static”; Does change
Implementation at FDIC • Three Levels Proprietary • Subsets Based on a calendar quarter • Issues - Publication - Communication - Technical vs Business
Implementation at FDIC (resolution) • Test Environment - Intermediate taxonomy releases - Comment period - Comparison Report • Communication - Business process - RSS feed - Conference calls • Technical vs Business “a fine line, but is manageable”
Summary • Taxonomy Design ...will determine taxonomy versioning • Versioning concerns ...are manageable • FDIC provided a solution ...that works for our needs ...but ...
Addressing taxonomy versioning at FDIC • Meta data file XML document to include versioning information • Taxonomy versioning level Move from presentation to financial term level • Intermediate taxonomies publish interim before final
Closure? Should XBRL International develop additional guidance on taxonomy versioning? Or Should taxonomy versioning be a software vendor solution?
Mark Montoya • XBRL Specialist for the FDIC • Division of Insurance and Research • Central Data Repository (CDR) project • email - mmontoya@fdic.gov • office - (1) 202-898-3829