421A.2 Disclosure prohibited. 
 A person who obtains any information in the course of or arising out of the business of preparing or assisting in the preparation of a tax return of another person, shall not disclose any of the information obtained unless the disclosure is within any of the following: 
 1. Consented to in writing by the taxpayer in a separate document. 
 2. Expressly authorized by state or federal law. 
 3. Necessary to the preparation of the return. 
 4. Pursuant to court order. 
[C73, 75, 77, 79, 81, §423A.2] 
2003 Acts, 1st Ex, ch 2, §203, 205 
C2005, §421A.2