To amend the Internal Revenue Code of 1986 to enhance tax incentives for small property and casualty insurance companies.

Amends the Internal Revenue Code to: (1) revise the definition of gross receipts applicable to tax-exempt small property and casualty insurance companies to include gross investment income; (2) increase to $1.971 million (from $1.2 million) the limitation on net written premiums for purposes of qualifying non-life insurance companies for alternative tax rates; and (3) adjust such increased limitation amount annually for inflation after 2006.