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     The Honorable Joseph D. Hawkins        Opinion No. H- 924
     Commissioner of Insurance
     State Board of Insurance               Re: Medical liability
     1110 San Jacinto                       insurance underwritten
     Austin, Texas 78786                    by the joint underwriting
                                            association.

     Dear Commissioner Hawkins:

          You have requested our opinion in connection with several
     provisions of the Texas Medical Liability Insurance Under-
     writing Association Act (herein referred to as "the Act"),
     article 21.49-3 of the Insurance Code. That legislation
     created a joint underwriting association, consisting of all
     insurers authorized to write liability insurance in Texas,
     to provide medical liability insurance to certain health
     service providers in this State.

          Your first question relates to the authorization of
     section 3(b) (1) of the Act for the joint underwriting associa-
     tion to issue policies of insurance including "incidental
     coverages." You advise us that the State Board of Insurance
     has construed this provision to authorize those coverages
     which are usual and customary and incidentally furnished in
     connection with medical liability coverages, including
     comprehensive general liability, owners', landlords' and
     tenants' liability, manufacturers' and contractors' liability,
     owners' and contractors' protective liability, products
     liability, and several other forms of liability insurance.
     You inquire whether these coverages are appropriately insured
     against as "incidental coverages," within the scope of section
     3(b) (1).

          The term "incidental coverages" is not defined in the
     Act, and should be given its "ordinary signification" unless
     it is a term of art with special meaning in the insurance
     industry. Code Construction Act, V.T.C.S. art. 5429b-2,
     § 2.01.   In determining the meaning of a doubtful or ambiguous

                                  P. 3869
The Honorable Joseph D. Hawkins - page 2   (H-924)



provision, "the construction placed upon a statutory pro-
vision by the agency charged with its administration is
entitled to weight."  Ex parte Roloff, 510 S.W.2d 913, 915
(Tex. Sup. 1974). In zew of your statement that the State
Board of Insurance has found the incidental coverages approved
to be "usual and customary and incidentally furnished in
connection with medical liability coverages," we perceive no
reason to doubt that they come within the scope of incidental
coverages authorized by section 3(b)(l) of the Act.

     Your next three questions relate to the requirement of
the Act that no individual or organization may be insured by
the joint underwriting association for an amount exceeding
$300,000. Section 3(b) (1) of the Act authorizes the association

         to issue, or to cause to be issued, policies
         of insurance to applicants, including
         incidental coverages and subject to limits
         as specified in the plan of operation:
         provided that no individual or organization
         may be insured by policies issued by the
         association for an amount exceeding $300,000.

You state that the policy form approved for use by the
association provides in paragraph 13 as follows:

          Combined Aggregate Limits -- All Coverages.
          The company's total limit of liability for
          all coverages afforded under this policy
          during the policy period shall not exceed
          the amount specified under 'combined
          aggregate limit -- all coverages' as shown
          in the declarations.

The declaration page provides for limits of liability for each
occurrence of $300,000, and an aggregate limit on all coverage
under the policy also of $300,000.

     The ambiguity in section 3(b)(l) of the Act arises from
the fact that a policy of liability insurance frequently contains
two distinct limitations on liability -- an "occurrence"
limit and an "aggregate" policy limit. Thus, for example,
the malpractice policies carried by many physicians at the
time article 21.49-3 was enacted contained limits of $200,000
per occurrence, with a maximum total liability under the


                         P. 3870
The Honorable Joseph D. Hawkins - page 3   (H-924)



policy of $600,000. Texas Medical Ass'n, The Medical
Malpractice Insurance Crisis in Texas -- Professional
Liability Insurance Survey (1975). Section 3(b) (1) of the
Act does not specify whether the $300,000 limitation on
policies issued by the association is to be an "occurrence"
or an IIaggregate" limit. The legislative history of article
21.49-3 (Senate Bill No. 491, 64th Leg.) offers no assistance
in ascertaining the intention of the Legislature in this
regard.

     The Act does, however, authorize the State Board of
Insurance to promulgate a plan of operation for the "economic,
fair, and nondiscriminatory administration" of the joint
underwriting association, including "procedures for determining
amounts of insurance to be provided by the association."
V.T.C.S. art. 21.49-3, 5 3(c) (2). The Plan of Operation
adopted by the Board of Insurance directs that, "All policies
shall be written on the 'occurrence' basis . . . ." Texas
Medical Liability Insurance Underwriting Ass'n, Plan of
Operation, part 4, art. I, 5 2 (1975).

     This language arguably could refer to the policy limit
and thus permit policies to be written for $300,000 per
occurrence with no aggregate limits; however, we believe the
Plan's reference to "occurrence" policies refers to the time
of liability. The term, "occurrence policy," is a term of
art in the insurance business and refers to a policy which
covers acts and omissions which occurred during the policy
period as opposed to acts discovered durina the oolicv oeriod.
See Samuel N, Zarpas, Inc. v. Morrow, 215 g. Sup;. 883;888   (D.
N.J.m;T.    -- M. Brown Construction Co. 5 g --
                                              & M Mechanical
Contractors, 3,    222 So.2d 93, 95 (La. App. 1969). It is
likely the Plan's requirement that policies issued bv the
joint underwriting association be of the "occurrence' type
refers to this usage since the reference is found in the
portion of the Plan relating to duration of the policy,
rather than the portion relating to limitation of liability
and since it is consistent with the type of insurance carried
by 95 percent of Texas physicians.  Texas Medical Ass'n,
The Medical Malpractice Insurance Crisis in Texas -- Professiona
Liability Insurance Survey, (1975) at 13.

     The Board's approval of a policy form indicating that
the aggregate policy limit of coverage is $300,000 per year
indicates that it has construed the section 3(b)(l) limitation
to refer to an aggregate liability, and we believe the Board's
decision represents a correct interpretation of the statute.


                         P. 3871
The Honorable Joseph D. Hawkins - page 4   (H-924)



     You also ask if the Act limits to $300,000 the protection
which may be afforded by the joint underwriting association
under the category of "incidental coverages."  Section 3(b) (1)
requires that no individual or organization may be insured by
policies issued by the association for an amount exceeding
$300,000. We believe section 3(b) (1) limits the liability of
the association to $300,000 on all covered claims, regardless
of the denomination of those claims.

     Finally, you ask whether the State Board of Insurance may
permit the association to consider that premiums have been fully
earned when a claim or claims have been paid aggregating the
limits of the policy, or when a reserve has been established
aggregating the limits of the policy. The Board may, through
its plan of operation, establish such procedures as are
"economic, fair and nondiscriminatory."  V.T.C.S. art. 2149-3,
5 3(c) (2). The Board certainly may prescribe procedures
governing the determination of when a premium is "earned" for
accounting purposes, and when the joint underwriting association
is acquitted of further liability under the policy. These
matters should be addressed by the Board in the Plan of
Operation in conjunction with a specification of the
aggregate limits of liability which apply to policies issued
by the joint underwriting association.

                      SUMMARY

          The Texas Medical Liability Insurance Under-
          writing Association Act, article 21.49-3,
          V.T.C.S., authorizes the State Board of
          Insurance to approve policies insuring
          against "incidental coverages" which are
          usual and customary in connection. with
          medical liability coverages. The $300,000
          policy limit found in section 3(b) (1) of
          the Act is an aggregate limitation. The
          $300,000 limit on liability applies to all
          claims arising from occurrences during the
          policy period, including claims under the
          policy's incidental coverages. The Board
          of Insurance is authorized to prescribe
          economic, fair and nondiscriminatory

                         P. 3872
    ,


,


        The Honorable Joseph D. Hawkins - page 5    (H-924)



                    procedures governing the determination of
                    when a premium is "earned" for accounting
                    purposes and when the joint underwriting
                    association is acquitted of further liability
                    under the policy.




                                   Attorney General of Texas

        APPROVED:



        L&~/
        DAVID M. KENDALL, First Assistant




        Opinion Committee

        jwb




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