True and False. Explain all false answers.

1. Proposed regulations carry more weight than temporary regulations.
2. Procedural regulations are housekeeping-type instructions.
3. The granting of a writ of certiorari indicated that at least three members of the supreme court believe that an issue is sufficient importance to be heard by the full court.
4. New Jersey is in the jurisdiction of the Eight Circuit Court of Appeals.
5. The IRS is required to make a letter ruling public.