SELECT B.EMPLID , B.INSTITUTION , B.AID_YEAR , B.SSN , B.BIRTHDATE , B.IWD_STD_LAST_NAME , B.IWD_STD_FIRST_NM02 , B.IWD_STU_MI , B.CITIZENSHIP_STATUS , A.ISIR_TXN_NBR FROM PS_ISIR_CONTROL A , PS_ISIR_STUDENT B WHERE A.EFC_STATUS = 'O' AND A.EFFDT = ( SELECT MAX(A2.EFFDT) FROM PS_ISIR_CONTROL A2 WHERE A.EMPLID = A2.EMPLID AND A.INSTITUTION = A2.INSTITUTION AND A.AID_YEAR = A2.AID_YEAR) AND A.EFFSEQ = ( SELECT MAX(A3.EFFSEQ) FROM PS_ISIR_CONTROL A3 WHERE A.EMPLID = A3.EMPLID AND A.INSTITUTION = A3.INSTITUTION AND A.AID_YEAR = A3.AID_YEAR AND A.EFFDT =A3.EFFDT ) AND A.ISIR_TXN_NBR = ( SELECT MAX(A4.ISIR_TXN_NBR) FROM PS_ISIR_CONTROL A4 WHERE A.EMPLID = A4.EMPLID AND A.INSTITUTION = A4.INSTITUTION AND A.AID_YEAR = A4.AID_YEAR AND A.EFFDT =A4.EFFDT ) AND A.EMPLID = B.EMPLID AND A.INSTITUTION = B.INSTITUTION AND A.AID_YEAR = B.AID_YEAR AND A.EFFDT = B.EFFDT AND A.EFFSEQ= B.EFFSEQ
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