<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--
  This file is part of the Dutch Taxonomy (Nederlandse Taxonomie; NT)
  Intellectual Property of the State of the Netherlands
  Architecture: NT13
  Version: 20181212.a
  Release date: Wed Oct 17 09:00:00 2018
-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink">
  <link:roleRef roleURI="urn:cbs:linkrole:ps-is-operational-expenses-administrative-costs" xlink:href="../dictionary/cbs-linkroles.xsd#cbs-lr_PsIsOperationalExpensesAdministrativeCosts" xlink:type="simple"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple"/>
  <link:definitionLink xlink:role="urn:cbs:linkrole:ps-is-operational-expenses-administrative-costs" xlink:type="extended">
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCosts_loc" xlink:type="arc"/>
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsBalancePayableVAT_loc" xlink:type="arc"/>
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsBankCosts_loc" xlink:type="arc"/>
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsBookingDifferences_loc" xlink:type="arc"/>
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsCashDifferences_loc" xlink:type="arc"/>
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsCurrencyConvertingDifferences_loc" xlink:type="arc"/>
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsFinesAndRaisesTaxesSocialSecurityPremiums_loc" xlink:type="arc"/>
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsLevies_loc" xlink:type="arc"/>
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsNonDeductibleVATOnCosts_loc" xlink:type="arc"/>
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsOtherAdministrativeCosts_loc" xlink:type="arc"/>
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsOtherTaxes_loc" xlink:type="arc"/>
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsPayingDifferences_loc" xlink:type="arc"/>
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsRecharged_loc" xlink:type="arc"/>
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_AdministrativeCostsVATArrangementSmallFirms_loc" xlink:type="arc"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsBalancePayableVAT" xlink:label="cbs-i_AdministrativeCostsBalancePayableVAT_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsBankCosts" xlink:label="cbs-i_AdministrativeCostsBankCosts_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsBookingDifferences" xlink:label="cbs-i_AdministrativeCostsBookingDifferences_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsCashDifferences" xlink:label="cbs-i_AdministrativeCostsCashDifferences_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsCurrencyConvertingDifferences" xlink:label="cbs-i_AdministrativeCostsCurrencyConvertingDifferences_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsFinesAndRaisesTaxesSocialSecurityPremiums" xlink:label="cbs-i_AdministrativeCostsFinesAndRaisesTaxesSocialSecurityPremiums_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsLevies" xlink:label="cbs-i_AdministrativeCostsLevies_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsNonDeductibleVATOnCosts" xlink:label="cbs-i_AdministrativeCostsNonDeductibleVATOnCosts_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsOtherAdministrativeCosts" xlink:label="cbs-i_AdministrativeCostsOtherAdministrativeCosts_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsOtherTaxes" xlink:label="cbs-i_AdministrativeCostsOtherTaxes_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsPayingDifferences" xlink:label="cbs-i_AdministrativeCostsPayingDifferences_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsRecharged" xlink:label="cbs-i_AdministrativeCostsRecharged_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCostsVATArrangementSmallFirms" xlink:label="cbs-i_AdministrativeCostsVATArrangementSmallFirms_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_AdministrativeCosts" xlink:label="cbs-i_AdministrativeCosts_loc" xlink:type="locator"/>
    <link:loc xlink:href="http://www.nltaxonomie.nl/2013/xbrl/sbr-dimensional-concepts.xsd#sbr-dim_ValidationLineItems" xlink:label="sbr-dim_ValidationLineItems_loc" xlink:type="locator"/>
  </link:definitionLink>
</link:linkbase>
