; and (2) submit to Congress a report describing each such update. III Continuing Disability Reviews 301. Study on impact of medical review standard (a) In general The Commissioner of Social Security shall conduct a study with respect to a large number of beneficiaries— (1) to determine whether the Social Security Administration would consider such beneficiaries to be disabled using the Initial Disability Standard rather than the Medical Improvement Review Standard (MIRS) during continuing disability reviews; and (2) to analyze the cause of any difference of result between the two standards. (b) Report Not later than 180 days after the date of the enactment of this Act, the Commissioner of Social Security shall submit a report to Congress on the study described in subsection (a). 302. Additional training relating to MIRS exceptions The Commissioner of Social Security shall— (1) provide training, as the Commissioner determines to be appropriate, to employees of State disability determination services and to Federal personnel involved in making disability determinations on the application of exceptions to the Medical Improvement Review Standard (MIRS) during continuing disability reviews; and (2) establish a procedure by which such employees and Federal personnel may request assistance from the Social Security Administration in the application of such exceptions. 303. Increased frequency of continuing disability reviews (a) In general Section 221(i) of the Social Security Act ( 42 U.S.C. 421(i) ) is amended— (1) in paragraphs (1) and (2), by striking 3 years each place it appears and inserting 2 years