Use the RIA Checkpoint to answer the following questions.
a. What templates are available in the IRS Pubs \& Other Tax Docs?
b. What type of documents may have the Date Range Search applied to them? What are the oldest available dates for these documents?
c. What tables are available in the "i-Tables" tool?
d. Expand the IRS Rulings and Releases (RIA). What is the oldest available Revenue Ruling?