(a) If a petitioner is married, both spouses must join in the petition for adoption.
(b) A petition in a suit for adoption or a suit for appointment of a nonparent managing conservator with authority to consent to adoption of a child must include:
(1) a verified allegation that there has been compliance with Subchapter B ; or
(2) if there has not been compliance with Subchapter B, a verified statement of the particular reasons for noncompliance.