; table of contents. Sec. 2. Revising disability classifications. Sec. 3. Requiring periodic continuing disability reviews for certain beneficiaries. Sec. 4. Regulations related to disability classifications and CDRs. Sec. 5. Time-limiting disability benefits for MIE and MIL individuals. Sec. 6. Encouraging work by MIE and MIL individuals. Sec. 7. Increased funding for continuing disability reviews. 2. Revising disability classifications Section 221 of the Social Security Act ( 42 U.S.C. 421 ) is amended by adding at the end the following new subsection: (n) (1) Not later than 1 year after the date of the enactment of this subsection, the Commissioner of Social Security shall establish a system for classifying any individual who is determined to be entitled to disability insurance benefits under this title or to monthly benefits under section 202 by reason of being under a disability in the following manner: (A) An individual shall be classified as medical improvement expected if the impairment or combination of impairments causing the individual to be disabled is expected to medically improve to the point where the individual will no longer be disabled in 12 to 24 months. (B) An individual shall be classified as medical improvement likely if the impairment or combination of impairments causing the individual to be disabled is expected to medically improve to the point where the individual will no longer be disabled in 25 months to 60 months. (C) An individual shall be classified as medical improvement possible if the impairment or combination of impairments causing the individual to be disabled is not expected to medically improve to the point where the individual will no longer be disabled in 60 months, but future improvement is possible. (D) An individual shall be classified as medical improvement not expected if the individual has an impairment or combination of impairments that is chronic or progressive with permanent, irreversible structural or functional loss, and for which there is no known effective