The IRS shares technical items in advance.

Advance Releases

Full texts of revenue rulings and procedures are available before Bulletin release. 

File Naming

Revenue Ruling 2002-47 = "rr-02-47.pdf"
Revenue Procedure 2002-45 = "rp-02-45.pdf"
Announcement 2002-49 = "a-02-49.pdf"

When published in the Bulletin, advance files are removed from the list.