Indiana Code Title 27. Insurance § 27-8-5-25

Sec. 25. (a) As used in this section, “employer” means an employer who offers health insurance to the employer's employees.

(b) As used in this section, “insurer” means an insurer subject to IC 27.

(c) When an employer that has a group policy issued by an insurer that contains maternity benefits:

the succeeding insurer's policy may not contain a preexisting condition limitation for maternity or exclude coverage due to pregnancy for employees or spouses of employees who were covered under the prior policy on the date the prior plan was discontinued.

(d) Subsection (c) only applies if the employer obtains a new group insurance policy within thirty-one (31) days after the discontinuance of an insurance policy.