LAST_DAY_OF_PREV_MONTH

Calculates the date that corresponds to the last day of the previous month of the provided date.

LAST_DAY_OF_PREV_MONTH (date)

Can be used in the condition of a FIND action.

Attribute of the Date type or date constant or calculation producing a date

Date: the last day of the month before the given date.

IF LAST_DAY_OF_PREV_MONTH (Account.OpeningDate)=30/09/2004 THEN ...