Which type of IRS ruling indicates the tax consequences of specific transactions?

Judicial rulings$$

Revenue rulings

Proposed rulings

Legislative rulings

Which title of the United States Code contains the Internal Revenue Code $($IRC$)?$

Title $23$

Title $26$

O Title $31$

Title $32$

In which case can a taxpayer avoid a penalty for substantial understatement of tax?

When the position is frivolous and is disclosed on the tax return

When the position has a realistic possibility of being sustained by the IRS or courts

When the position is not frivolous and is disclosed on the tax return

When the position has a reasonable basis and is disclosed on the tax return

Who issued Circular $230?$

Internal Revenue Service $($IRS$)$

American Institute of Certified Public Accountants $($AICPA$)$

State Boards of Accountancy

American Bar Association