<calculationPeriodDates id="floatingCalcPeriodDates">
...
<!-- CHANGE, Modified by: Christian, Date: 29/07/2003
Changed from 2000-02-29, the correct last day of that month -->
<firstRegularPeriodStartDate>
2000-02-20
</firstRegularPeriodStartDate>
...
<calculationPeriodFrequency>
...
<rollConvention>30
</rollConvention>
</calculationPeriodFrequency>
</calculationPeriodDates>