(b) For purposes of this section:
(1) “Acceptable return” means any original or amended return that is required to be filed pursuant to Article 2 (commencing with Section 18601), Section 18633, Section 18633.5, or Article 3 (commencing with Section 23771) of Chapter 4 of Part 11, other than the return for unrelated business taxable income required by Section 23771.
(2) “Business entity” means a corporation, including an “S” corporation, an organization exempt from tax pursuant to Chapter 4 (commencing with Section 23701) of Part 11, a partnership, or a limited liability company.
(3) “Tax preparation software” means any computer software program used to prepare an acceptable return or for use in tax compliance.
(4) “Electronic technology” includes, but is not limited to, the Internet, cloud computing, or an electronic information delivery system.
(5) “Technology constraints” means an inability of the tax preparation software used by a business entity to electronically file the acceptable return as required by this section as a result of the complex nature of the return or inadequacy of the software.