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POSC License Agreement This file is distributed under the POSC License Agreement at http://www.posc.org/about/license.shtml. Use of this file implies agreement with the POSC License Agreement.-->
PPDM Schema Incorporated This file incorporates a block of schema from PPDM (area hierarchy) with the permission of PPDM. All rights for this block are retained by PPDM.-->
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