Title I, SEC. 1403. COMMUNITY RATING. (a) Regional Alliance Health Plans. Each regional alliance health plan may not vary the premium imposed with respect to residents of an alliance area, except as may be required under section 6102(a) with respect to different types of individual and family coverage under the plan. (b) Corporate Alliance Health Plans. Each corporate alliance health plan may not vary the premium imposed with respect to individuals enrolled in the plan, except as may be required under section 1364 with respect to different types of individual and family coverage under the plan.