<?xml version="1.0" encoding="UTF-8"?>
<!-- Disclaimer: http://www.sbr.gov.au/content/taxonomy_introduction_3_0.htm#Disclaimer -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:p0="http://xbrl.org/2005/xbrldt">
  <link:roleRef roleURI="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.calculate.request.02.00/defRole" xlink:type="simple" xlink:href="ptarvic.0001.calculate.request.02.00.report.xsd#ptarvic.0001.calculate.req.02.00.calculate.requestdefLink"/>
  <link:roleRef roleURI="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/hypercubes/ReportingParty.VIC" xlink:type="simple" xlink:href="ptarvic.0001.private.02.00.module.xsd#ptarvic.0001.02.00.privatedefLink.ReportingParty.VIC"/>
  <link:roleRef roleURI="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/hypercubes/ReportingParty.VIC.NGEDGEOMOSM" xlink:type="simple" xlink:href="ptarvic.0001.private.02.00.module.xsd#ptarvic.0001.02.00.privatedefLink.ReportingParty.VIC.NGEDGEOMOSM"/>
  <link:roleRef roleURI="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/defRole" xlink:type="simple" xlink:href="ptarvic.0001.private.02.00.module.xsd#ptarvic.0001.02.00.privatedefLink"/>
  <link:roleRef roleURI="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/hypercubes/ReportingParty.VIC.DGESGDGENSG" xlink:type="simple" xlink:href="ptarvic.0001.private.02.00.module.xsd#ptarvic.0001.02.00.privatedefLink.ReportingParty.VIC.DGESGDGENSG"/>
  <link:roleRef roleURI="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/hypercubes/ReportingParty.VIC.OSM" xlink:type="simple" xlink:href="ptarvic.0001.private.02.00.module.xsd#ptarvic.0001.02.00.privatedefLink.ReportingParty.VIC.OSM"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll"/>
  <link:definitionLink xlink:type="extended" xlink:role="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.calculate.request.02.00/defRole">
    <link:loc xlink:type="locator" xlink:href="ptarvic.0001.private.02.00.module.xsd#RA1094" xlink:label="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:title="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract"/>
    <link:loc xlink:type="locator" xlink:href="ptarvic.0001.private.02.00.module.xsd#HC1094" xlink:label="ReportingPartyVICNGEDGEOMOSM" xlink:title="ReportingPartyVICNGEDGEOMOSM"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="ReportingPartyVICNGEDGEOMOSM" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to ReportingPartyVICNGEDGEOMOSM" order="1.0" p0:targetRole="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/hypercubes/ReportingParty.VIC.NGEDGEOMOSM" p0:contextElement="segment" p0:closed="true"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE836" xlink:label="Remuneration.WagesandSalaries.Payments.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.WagesandSalaries.Payments.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.WagesandSalaries.Payments.Amount" use="optional" order="2.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.04.data.xsd#DE3560" xlink:label="Remuneration.EmploymentAllowancesIncludingApprenticesAndTrainees.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.EmploymentAllowancesIncludingApprenticesAndTrainees.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.EmploymentAllowancesIncludingApprenticesAndTrainees.Amount" use="optional" order="3.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE838" xlink:label="Remuneration.CommissionsAndBonuses.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.CommissionsAndBonuses.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.CommissionsAndBonuses.Amount" use="optional" order="4.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE837" xlink:label="Remuneration.WagesAndSalaries.ContractorsAndConsultantsPayments.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.ContractorsAndConsultantsPayments.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.WagesAndSalaries.ContractorsAndConsultantsPayments.Amount" use="optional" order="5.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE842" xlink:label="Remuneration.Fees.Directors.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.Fees.Directors.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.Fees.Directors.Amount" use="optional" order="6.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/rvc/rvctc/rvctc3.02.01.data.xsd#DE3561" xlink:label="FringeBenefitsTax.GrossAmountMinusTaxExemptBodyEntertainment.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="FringeBenefitsTax.GrossAmountMinusTaxExemptBodyEntertainment.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to FringeBenefitsTax.GrossAmountMinusTaxExemptBodyEntertainment.Amount" use="optional" order="7.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/em/emsup/emsup.02.00.data.xsd#DE1848" xlink:label="SuperannuationContribution.EmployerContributions.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="SuperannuationContribution.EmployerContributions.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to SuperannuationContribution.EmployerContributions.Amount" use="optional" order="8.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE843" xlink:label="Remuneration.EmploymentTermination.Payments.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.EmploymentTermination.Payments.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.EmploymentTermination.Payments.Amount" use="optional" order="9.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE845" xlink:label="Remuneration.EmployeeSharesAndOptions.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.EmployeeSharesAndOptions.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.EmployeeSharesAndOptions.Amount" use="optional" order="10.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.04.data.xsd#DE3537" xlink:label="Remuneration.WagesAndSalaries.SharesAndOptionsOffset.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.SharesAndOptionsOffset.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.WagesAndSalaries.SharesAndOptionsOffset.Amount" use="optional" order="11.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE846" xlink:label="Remuneration.WagesAndSalaries.TaxablePayrollOther.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.TaxablePayrollOther.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.WagesAndSalaries.TaxablePayrollOther.Amount" use="optional" order="12.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.00.data.xsd#DE149" xlink:label="Remuneration.WagesAndSalaries.TaxableInterstateTotal.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.TaxableInterstateTotal.Amount" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to Remuneration.WagesAndSalaries.TaxableInterstateTotal.Amount" use="optional" order="13.0"/>
    <link:loc xlink:type="locator" xlink:href="ptarvic.0001.private.02.00.module.xsd#RA1101" xlink:label="ReportingPartyVICOSMPrimaryItemsAbstract" xlink:title="ReportingPartyVICOSMPrimaryItemsAbstract"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract" xlink:to="ReportingPartyVICOSMPrimaryItemsAbstract" xlink:title="definition: ReportingPartyVICNGEDGEOMOSMPrimaryItemsAbstract to ReportingPartyVICOSMPrimaryItemsAbstract" order="14.0"/>
    <link:loc xlink:type="locator" xlink:href="ptarvic.0001.private.02.00.module.xsd#HC1101" xlink:label="ReportingPartyVICOSM" xlink:title="ReportingPartyVICOSM"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/notAll" xlink:from="ReportingPartyVICOSMPrimaryItemsAbstract" xlink:to="ReportingPartyVICOSM" xlink:title="definition: ReportingPartyVICOSMPrimaryItemsAbstract to ReportingPartyVICOSM" order="1.0" p0:targetRole="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/hypercubes/ReportingParty.VIC.OSM" p0:contextElement="segment" p0:closed="true"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/rvc/rvctc/rvctc5.02.02.data.xsd#DE3554" xlink:label="PayrollTax.TotalPaymentsMadeForAnnualPeriod.Amount" xlink:title="PayrollTax.TotalPaymentsMadeForAnnualPeriod.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICOSMPrimaryItemsAbstract" xlink:to="PayrollTax.TotalPaymentsMadeForAnnualPeriod.Amount" xlink:title="definition: ReportingPartyVICOSMPrimaryItemsAbstract to PayrollTax.TotalPaymentsMadeForAnnualPeriod.Amount" order="2.0"/>
    <link:loc xlink:type="locator" xlink:href="ptarvic.0001.private.02.00.module.xsd#RA1075" xlink:label="ReportingPartyVICPrimaryItemsAbstract" xlink:title="ReportingPartyVICPrimaryItemsAbstract"/>
    <link:loc xlink:type="locator" xlink:href="ptarvic.0001.private.02.00.module.xsd#HC1075" xlink:label="ReportingPartyVIC" xlink:title="ReportingPartyVIC"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ReportingPartyVICPrimaryItemsAbstract" xlink:to="ReportingPartyVIC" xlink:title="definition: ReportingPartyVICPrimaryItemsAbstract to ReportingPartyVIC" use="optional" order="1.0" p0:targetRole="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/hypercubes/ReportingParty.VIC" p0:contextElement="segment" p0:closed="true"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/rvc/rvctc/rvctc5.02.00.data.xsd#DE898" xlink:label="PayrollTax.Deduction.LiabilityInclusion.Indicator"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICPrimaryItemsAbstract" xlink:to="PayrollTax.Deduction.LiabilityInclusion.Indicator" xlink:title="definition: ReportingPartyVICPrimaryItemsAbstract to PayrollTax.Deduction.LiabilityInclusion.Indicator" use="optional" order="2.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/py/pyin/pyin.02.00.data.xsd#DE915" xlink:label="Period.Unique.Identifier" xlink:title="Period.Unique.Identifier"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICPrimaryItemsAbstract" xlink:to="Period.Unique.Identifier" xlink:title="definition: ReportingPartyVICPrimaryItemsAbstract to Period.Unique.Identifier" order="3.0"/>
    <link:loc xlink:type="locator" xlink:href="ptarvic.0001.private.02.00.module.xsd#RA1096" xlink:label="ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract" xlink:title="ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract"/>
    <link:loc xlink:type="locator" xlink:href="ptarvic.0001.private.02.00.module.xsd#HC1096" xlink:label="ReportingPartyVICDGESGDGENSG" xlink:title="ReportingPartyVICDGESGDGENSG"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract" xlink:to="ReportingPartyVICDGESGDGENSG" xlink:title="definition: ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract to ReportingPartyVICDGESGDGENSG" order="1.0" p0:targetRole="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/hypercubes/ReportingParty.VIC.DGESGDGENSG" p0:contextElement="segment" p0:closed="true"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.04.data.xsd#DE3547" xlink:label="Remuneration.WagesAndSalaries.TotalOrdinaryMembersGrossTaxableVictorianWages.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.TotalOrdinaryMembersGrossTaxableVictorianWages.Amount" xlink:title="definition: ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract to Remuneration.WagesAndSalaries.TotalOrdinaryMembersGrossTaxableVictorianWages.Amount" use="optional" order="2.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.04.data.xsd#DE3543" xlink:label="Remuneration.WagesAndSalaries.InterstateOnlyMembersGrossTaxableInterstateWages.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.InterstateOnlyMembersGrossTaxableInterstateWages.Amount" xlink:title="definition: ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract to Remuneration.WagesAndSalaries.InterstateOnlyMembersGrossTaxableInterstateWages.Amount" use="optional" order="3.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/lr/lrla/lrla.02.04.data.xsd#DE3548" xlink:label="Remuneration.WagesAndSalaries.TotalOrdinaryMembersGrossTaxableInterstateWages.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract" xlink:to="Remuneration.WagesAndSalaries.TotalOrdinaryMembersGrossTaxableInterstateWages.Amount" xlink:title="definition: ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract to Remuneration.WagesAndSalaries.TotalOrdinaryMembersGrossTaxableInterstateWages.Amount" use="optional" order="4.0"/>
    <link:loc xlink:type="locator" xlink:href="../../../../sbr_au_taxonomy/icls/py/pyin/pyin.02.04.data.xsd#DE3557" xlink:label="PaymentRecord.TotalPaymentsReceivedByAllOrdinaryMembers.Amount" xlink:title="PaymentRecord.TotalPaymentsReceivedByAllOrdinaryMembers.Amount"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract" xlink:to="PaymentRecord.TotalPaymentsReceivedByAllOrdinaryMembers.Amount" xlink:title="definition: ReportingPartyVICDGESGDGENSGPrimaryItemsAbstract to PaymentRecord.TotalPaymentsReceivedByAllOrdinaryMembers.Amount" order="5.0"/>
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://sbr.gov.au/rprt/osrvic/ptarvic/ptarvic.0001.private.02.00/defRole"/>
</link:linkbase>
