(a) In addition to the inspection required under Section 103.006(a), the commission:
(1) shall inspect each facility every two years following the initial inspection required under Section 103.006(a); and
(2) may inspect a facility at other reasonable times as necessary to ensure compliance with this chapter.
(b) Any person may request an inspection of a facility by notifying the commission in writing of an alleged violation of a licensing requirement. The complaint shall be as detailed as possible and signed by the complainant. The commission shall:
(1) if the complaint alleges abuse, neglect, or exploitation, perform an inspection as soon as feasible but not later than the 14th day after the date the commission receives the complaint, unless after an investigation the complaint is found to be frivolous;
(2) if the complaint does not allege abuse, neglect, or exploitation, investigate the complaint not later than the 45th day after the date the commission receives the complaint;
(3) respond to a complainant in writing; and
(4) receive and investigate anonymous complaints.