Increasing limits on the amount of adoption expenses that are allowed as a subtraction modification under the Maryland income tax, from $6,000 to $9,000 for a resident child with a special need, from $5,000 to $7,500 for a resident child without a special need, from $3,000 to $4,500 for a nonresident child with a special need, and from $2,000 to $3,000 for a nonresident child without a special need; applying the Act to tax years after 2006; etc.