FL S0866

Allows taxpayers to participate in the certified audit program even after the Department of Revenue issues a written notice of intent to conduct an audit, with a 30-day deadline to notify the department of the engagement.

Reduces interest abatement incentives for taxpayers who request program participation after receiving audit notice: from $25,000 abated plus 25% of excess to $15,000 abated plus 15% of excess.

Maintains higher interest abatement for taxpayers requesting participation before audit notice: first $50,000 abated plus 50% of any interest exceeding $50,000.

Specifies the certified audit program applies to sales and use taxes under chapter 212 and local option taxes under sections 125.0104 and 125.0108.

Extends the deadline for submitting a proposed audit plan to 60 days after notice of intent for taxpayers who request participation after audit notice, and requires completed reports within 285 days of that notice.

Authorizes the Department of Revenue to adopt rules prohibiting qualified practitioners who conduct audits after notice of intent from representing taxpayers in informal conference procedures.