published May '11
This document explains the design for the Corporate Actions Taxonomy. The content of this taxonomy is primarily based on the following:
- DTCC Corporate Actions Elements and Event Configurations used by the DTCC (Depository Trust & Clearing Corporation) for corporate actions processing
- ISO (International Organization for Standardization) corporate actions notification message format (ISO 20022)
- Element and configuration recommendations from industry formed workgroups such as AMF, SMPG and ISITC
- Feedback from institutions involved in the processing of corporate actions
There are multiple institutions that are involved in the process flow for corporate actions. Some are responsible for providing additional information to a corporate actions announcement. Eventually, the Corporate Actions Taxonomy will include concepts to capture all information related to a corporate action; however, currently this release of the Taxonomy will focus on the issuer’s view of corporate actions in the United States.
The Corporate Actions Taxonomy describes the instance document that will be created by issuers. The base of these concepts comes from the structures used by the DTCC and the ISO 20022 standard.
The Corporate Actions Taxonomy provides a view for issuers to organize the concepts into a form-like structure. The Taxonomy includes a series of entry points that filter the form-like view for a specific event type and circumstance. This filtered view can be used by the issuer to aid in the tagging of instance documents. With standard XBRL software, an issuer can use the filtered view to identify and tag the necessary concepts for an event.
The Corporate Actions Taxonomy uses much of the same architectural base used for the XBRL US GAAP Taxonomies. This includes table structures (XBRL dimensions), as well as guidelines around presentation and calculation structures, labels and references.
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