• Updated contact email extract functions (extracting email contacts from all child URLs associated with a base URL).
  • Added contact email extract functions.
  • Added data availability checking functions.
  • Provided the vignettes.
  • Provided the IRS data index.
  • Fixed TAX PERIOD-related problems from the IRS data.
  • Added the data fields for the documentation and search.
  • Added a NEWS.md file to track changes to the package.