Person data removal tool retention period

Summary: Constraint PER_500064_EMP_RTNTN_PRD uses package PER_DRT_PKG. We have set our retention period to 24 as per the attached screen shot however the system is picking 72 from table hr_organization_information instead of our site level setting. We cant find where 72 is set, is this a bug or please explain how to set the hr_organization_information to 24

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Code from PER_DRT_PKG.per_hr_drc

SELECT count (*) INTO l_count