<FpML version="4-0" xmlns="http://www.fpml.org/2003/FpML-4-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.fpml.org/2003/FpML-4-0 fpml-main-4-0.xsd" xsi:type="TradeAffirmation">
...
<trade>
...
<swap>
<swapStream>
...
<calculationPeriodDates id="floatingCalcPeriodDates">
...
<firstRegularPeriodStartDate>
2000-10-05
</firstRegularPeriodStartDate>
<!-- CHANGE this breaks ird-43, Y was previously 2004. Chris Simmons, 14 May 2003 -->
<lastRegularPeriodEndDate>
1999-10-05
</lastRegularPeriodEndDate>
</calculationPeriodDates>
</swapStream>
<swapStream>
...
<calculationPeriodDates id="fixedCalcPeriodDates">
...
<firstRegularPeriodStartDate>
2000-10-05
</firstRegularPeriodStartDate>
<lastRegularPeriodEndDate>
2004-10-05
</lastRegularPeriodEndDate>
</calculationPeriodDates>
</swapStream>
</swap>
</trade>
</FpML>