coverage of her own automobile insurance policy, which was in effect from July 26, 1988, to July 26, 1989. She seeks to collect on the underinsured motorist coverage of the two policies for her parents’ two automobiles. Their policies are in effect on a calendar-year basis. This set of facts parallels in all material particulars that in Plymouth Rock Assur. Corp. v. McAlpine, 32 Mass. App. Ct. 755 (1992), although the claimant’s principal contention in this case is different. Under the law in effect in 1988, Karen Joseph would have been able to combine, or “stack,” the underinsured coverages of the three household policies. Wincek v. United States Fid. & Guar. Co., 28 Mass. App. Ct. 901 (1989). See also LeCuyer v. Metropolitan Property & Liab. Ins. Co., 401 Mass. 709, 711 (1988) (<HOLDING>). This result was predicated on the then
holding that insureds failure to list his brother as a member of the household was a material misrepresentation that provided the insurance company with grounds to rescind the policy holding that coverage was excluded where insured failed to notify insurance company of all operators and household members as required holding that a household exclusion in the policy was void insofar as it denied coverage in the amount required by  3031902 but it was valid as to any coverage exceeding that amount holding that household exclusion clauses in policies of automobile liability insurance are contrary to public policy recognizing stacking of separate household policies but declining to permit stacking where three household vehicles are insured under a single policy