<calculationPeriodDates id="floatingCalcPeriodDates">
...
<!-- CHANGE, Modified by: Christian, Date: 29/07/2003
Changed from 2004-02-28, 2004 is a leap year. -->
<lastRegularPeriodEndDate>2004-02-28
</lastRegularPeriodEndDate>
<calculationPeriodFrequency>
...
<rollConvention>30
</rollConvention>
</calculationPeriodFrequency>
</calculationPeriodDates>