It shall be the policy of the County to protect the privacy of a person's Social Security account number provided to the County and contained in official County records and communications. The collection of Social Security account numbers shall be restricted to those instances required by a law, regulation or existing contractual obligation of the County, State or Federal Government. Any document containing a Social Security account number shall be retained separately from any other related document. Except as required by a law, regulation or existing contractual obligation to be provided to or reported to a contractor, the State or Federal Government, the Social Security account number shall be partially redacted from any copy of a document disclosed to any person. No application, form, or document used by the County, except an application, form, or document required to be used by a law, regulation or existing contractual obligation of the County, State or Federal Government shall require, suggest, or request that a person provide the person's Social Security account number. No computer program used by the County shall use Social Security account numbers to sort, catalogue, or relate to any information not related to the use of a Social Security account number as required by a law, regulation or existing contractual obligation of the County, State or Federal Government. Any contract entered into by the County shall require that the contractor not collect, retain, use, or disseminate a Social Security account number, except as specifically required by a law, regulation or existing contractual obligation of the County, State or Federal Government.