Colorado Insurance Law, found here:
http://www.michie.com/colorado/lpex...1207262520 (linked to the site Benny mentioned; sorry Chuck D. I still don't know how to paste a link correctly)
10-3-1115. Improper denial of claims - prohibited - definitions - severability.
(1) (a) A person engaged in the business of insurance shall not unreasonably delay or deny payment of a claim for benefits owed to or on behalf of any first-party claimant.
(b) For the purposes of this section and section 10-3-1116:
(I) "First-party claimant" means an individual, corporation, association, partnership, or other legal entity asserting an entitlement to benefits owed directly to or on behalf of an insured under an insurance policy. "First-party claimant" includes a public entity that has paid a claim for benefits due to an insurer's unreasonable delay or denial of the claim.
(II) "First-party claimant" does not include:
(A) A nonparticipating provider performing services; or
(B) A person asserting a claim against an insured under a liability policy.
(2) Notwithstanding section 10-3-1113 (3), for the purposes of an action brought pursuant to this section and section 10-3-1116, an insurer's delay or denial was unreasonable if the insurer delayed or denied authorizing payment of a covered benefit without a reasonable basis for that action.
(3) If any provision of this section or its application to any person or circumstance is held illegal, invalid, or unenforceable, no other provisions or applications of this section shall be affected that can be given effect without the illegal, invalid, or unenforceable provision or application, and to this end the provisions of this section are severable.
(4) The general assembly declares that this section is a law regulating insurance.
(5) This section and section 10-3-1116 shall not apply to insurance issued in compliance with the "Workers' Compensation Act of Colorado", articles 40 to 47 of title 8, C.R.S.
(6) This section and section 10-3-1116 shall not apply to title insurance issued pursuant to article 11 of this title or to life insurance issued pursuant to article 7 of this title.
Source: L. 2008: Entire section added, p. 2172, § 5, effective August 5.
Editor's note: This section was contained in a 2008 act that was passed without a safety clause. For further explanation concerning the effective date, see page ix of this volume.
another section:
h) Unfair claim settlement practices: Committing or performing, either in willful violation of this part 11 or with such frequency as to indicate a tendency to engage in a general business practice, any of the following:
(I) Misrepresenting pertinent facts or insurance policy provisions relating to coverages at issue; or
(II) Failing to acknowledge and act reasonably promptly upon communications with respect to claims arising under insurance policies; or
(III) Failing to adopt and implement reasonable standards for the prompt investigation of claims arising under insurance policies; or
(IV) Refusing to pay claims without conducting a reasonable investigation based upon all available information; or
(V) Failing to affirm or deny coverage of claims within a reasonable time after proof of loss statements have been completed; or
(VI) Not attempting in good faith to effectuate prompt, fair, and equitable settlements of claims in which liability has become reasonably clear; or
(VII) Compelling insureds to institute litigation to recover amounts due under an insurance policy by offering substantially less than the amounts ultimately recovered in actions brought by such insureds; or
(VIII) Attempting to settle a claim for less than the amount to which a reasonable man would have believed he was entitled by reference to written or printed advertising material accompanying or made part of an application; or
(IX) Attempting to settle claims on the basis of an application which was altered without notice to, or knowledge or consent of, the insured; or
(X) Making claims payments to insureds or beneficiaries not accompanied by statement setting forth the coverage under which the payments are being made; or
(XI) Making known to insureds or claimants a policy of appealing from arbitration awards in favor of insureds or claimants for the purpose of compelling them to accept settlements or compromises less than the amount awarded in arbitration; or
(XII) Delaying the investigation or payment of claims by requiring an insured or claimant, or the physician of either of them, to submit a preliminary claim report, and then requiring the subsequent submission of formal proof of loss forms, both of which submissions contain substantially the same information; or
(XIII) Failing to promptly settle claims, where liability has become reasonably clear, under one portion of the insurance policy coverage in order to influence settlements under other portions of the insurance policy coverage; or
(XIV) Failing to promptly provide a reasonable explanation of the basis in the insurance policy in relation to the facts or applicable law for denial of a claim or for the offer of a compromise settlement; or
(XV) Raising as a defense or partial offset in the adjustment of a third-party claim the defense of comparative negligence as set forth in section 13-21-111, C.R.S., without conducting a reasonable investigation and developing substantial evidence in support thereof. At such time as the issue is raised under this subparagraph (XV), the insurer shall furnish to the commissioner a written statement setting forth reasons as to why a defense under the comparative negligence doctrine is valid.
(XVI) Excluding medical benefits under health care coverage subject to article 16 of this title to any covered individual based solely on that individual's casual or nonprofessional participation in the following activities: Motorcycling; snowmobiling; off-highway vehicle riding; skiing; or snowboarding; or
(XVII) Failing to adopt and implement reasonable standards for the prompt resolution of medical payment claims.
(i) Failure to maintain complaint handling procedures: Failing of any insurer to maintain a complete record of all the complaints which it has received since the date of its last examination. This record shall indicate the total number of complaints, their classification by line of insurance, the nature of each complaint, the disposition of these complaints, and the time it took to process each complaint. For purposes of this paragraph (i), "complaint" shall mean any written communication primarily expressing a grievance.
(j) Misrepresentation in insurance applications: Making false or fraudulent statements or representations on or relative to any application for an insurance policy, for the purpose of obtaining a fee, commission, money, or other benefit from any person;
(k) Requiring, directly or indirectly, any insured or claimant to submit to any polygraph test concerning any application for or any claim under any policy of insurance;
(l) Violation of or noncompliance with any insurance law in part 6 of article 4 of this title;
(m) Failure to make promptly a full refund or credit of all unearned premiums to the person entitled thereto upon termination of insurance coverage;
(n) Requiring or attempting to require or otherwise induce a health care provider, as defined in section 13-64-403 (12) (a), C.R.S., to utilize arbitration agreements with patients as a condition of providing medical malpractice insurance to such health care provider;
(o) Failure to comply with all the provisions of section 10-3-1104.5 regarding HIV testing;
(p) Violation of or noncompliance with any provision of part 13 of this article;
(q) Increasing the premiums unilaterally or decreasing the coverage benefits on renewal of a policy of insurance, increasing the premium on new policies, or failing to issue an insurance policy to barbers, cosmetologists, cosmeticians, manicurists, barbershops, or beauty salons, as regulated in article 8 of title 12, C.R.S., regardless of the type of risk insured against, based solely on the decision of the general assembly to stop mandatory inspections of the places of business of such insureds;
(r) Advising an employer to arrange for or arranging for an employee or an employee's dependent to apply to a plan developed pursuant to the "Colorado High Risk Health Insurance Act", under part 5 of article 8 of this title, for the purpose of separating such employee or employee's dependent from any group health coverage provided in connection with such employee's employment;
(s) Certifying pursuant to section 10-16-107.2 or issuing, soliciting, or using a policy form, endorsement, or rider that does not comply with statutory mandates. Such solicitation or certification shall be subject to the sanctions described in sections 10-2-704, 10-2-801, 10-2-804, 10-3-1107, 10-3-1108, and 10-3-1109.
(t) Certifying pursuant to section 10-4-419 or issuing, soliciting, or using a claims-made policy form, endorsement, or disclosure form that does not comply with statutory mandates. Such solicitation or certification shall be subject to the sanctions described in sections 10-3-1107, 10-3-1108, and 10-3-1109.
(u) Certifying pursuant to section 10-4-633 or issuing, soliciting, or using an automobile policy form, endorsement, or notice form that does not comply with statutory mandates. Such solicitation or certification shall be subject to the sanctions described in sections 10-3-1107, 10-3-1108, and 10-3-1109.
(v) Failure to comply with all provisions of section 10-16-108.5 concerning fair marketing of basic and standard health benefit plans, and section 10-16-105 concerning guaranteed issue of basic and standard health benefit plans;
(w) Failure to comply with the provisions of section 10-16-201.5 concerning the renewability of individual health benefit plans;
(x) Violation of the provisions of part 8 of article 1 of title 25, C.R.S., concerning patient records;
(y) Violating any provision of the "Consumer Protection Standards Act for the Operation of Managed Care Plans", part 7 of article 16 of this title by those subject to said part 7;
(z) Willfully violating any provision of section 10-16-113.5;