SB 2596 revises regulations related to group property and casualty insurance policies in Texas. The bill introduces new disclosure requirements for insurers, mandating that applicants be informed if a policy includes a shared aggregate limit. It also ensures that members covered under a policy receive copies of their insurance certificate and policy details within 30 days of issuance or renewal. The legislation further establishes provisions for incidental casualty coverage and clarifies the application of these regulations to surplus lines insurers​.