Exclusive vs inclusive deals

All dates are inclusive

In any DDEX messages, xxxDate elements are indicated inclusive of the date value within the element. For instance, the ERN XML codes below shows that the release R0 is available for permanent download in Canada with price of $99.99 starting 2013-03-01 and ending on 2013-03-31 and another price ($88.88) takes effect on 2013-04-01. 

  <ReleaseDeal>
             <DealReleaseReference>R0</DealReleaseReference>
             <Deal>
                 <DealTerms>
                     <CommercialModelType>PayAsYouGoModel</CommercialModelType>
                     <Usage>
                         <UseType>PermanentDownload</UseType>
                     </Usage>
                     <TerritoryCode>CA</TerritoryCode>
                     <PriceInformation>
                         <WholesalePricePerUnit CurrencyCode="CAD">99.99</WholesalePricePerUnit>
                     </PriceInformation>
                     <ValidityPeriod>
                         <StartDate>2013-03-01</StartDate>
                         <EndDate>2013-03-31</EndDate>                        
                     </ValidityPeriod>
                 </DealTerms>
             </Deal>
             <Deal>
                 <DealTerms>
                     <CommercialModelType>PayAsYouGoModel</CommercialModelType>
                     <Usage>
                         <UseType>PermanentDownload</UseType>
                     </Usage>
                     <TerritoryCode>CA</TerritoryCode>
                     <PriceInformation>
                         <WholesalePricePerUnit CurrencyCode="CAD">88.88</WholesalePricePerUnit>
                     </PriceInformation>
                     <ValidityPeriod>
                         <StartDate>2013-04-01</StartDate>
                     </ValidityPeriod>
                 </DealTerms>
             </Deal>
        </ReleaseDeal>