Field help (PERDATSTR) 

Index

Enter a start date for the period. The date range is suggested for the next period for the group if periods exist for this group. If not, the date range is set to the period before the current date.

For monthly reporting: The start date must be the first day of a month.

For quarterly reporting: The start date must be the first day of a quarter.

Note: Monthly or quarterly reporting is determined by the GST group profile in GST groupings.