No changes.


  • Changes from comment period, workshop comments, and a running summary of comments.
  • Directly references RFC4180 for CSV formatting


  • Added related standards
  • Aded use cases based on persona
  • Reformatted the controlled vocabulary.
  • Added a logical model
  • Made changes from comments collected during the second RFC period
  • Added Appendix C: Tabular Data Package description


  • Refined logical model to conform to Boyce-Codd third normal form
  • Updated datapackage.json to match logical model
  • Included enumerations for entities in datapackage.json
  • Added section on NIEM and relation to specification
  • Made changes based on reviewer comments.

v0.4 - v0.7

  • Updated data model based on reviewer comments
  • Tested logical model by importing data from iCarol database
  • Exported data in HSDS format from previous tes
  • Added Open Eligibility taxonomic overlay to logical model using Postgres ltree
  • Tested OE taxonomy by querying the service_taxonomy to return the related service
  • Provided test scripts and example data


  • Added formatting specification for address, phone, description


  • Changes based on public comments in v0.8 include:
    • revising revising schedule entities and attributes as recommended,
    • grammatical and punctuation edits,
    • changing SMS attribute to a phone type
    • changed language_line to interpretation_services
  • Released on github as a markdown document
  • Added a datapackage.json example on github


  • Final version
  • Changed relationship between location and service from 1:n to n:m


  • Bug fixes to schema and documentation
  • Removed redundant documentation pages


  • Updated logical model: providing guidance on handling multiple foreign keys, and clarifying use of service_at_location;
  • Removing direct location_id from service so that services should always be connected to locations via the service_at_location table;
  • Adding the service_taxonomy table (missing from earlier releases);
  • Adding description to service_area;
  • Updates to the description of the funding table;
  • Updates to the address block to include region, and deprecate additional address fields;
  • Moving fees and interpretations into the service table;
  • Adding missing accreditations and licenses fields;
  • Adding a language field to phone;
  • Adding a missing primary key to the taxonomy table;
  • Fixing the foreign key on accessibility_for_disabilities;
  • Adding format validation for URIs and e-mail addresses to the schema;