Literal question
504. DETERMINE MONTHS MARRIED SINCE BAISHAK 1398. ENTER "X" IN COLUMN 3 OF CALENDAR FOR EACH MONTH MARRIED AND ENTER "0" FOR EACH MONTH NOT MARRIED, SINCE BAISHAK 1398.
FOR WOMEN WITH MORE THAN ONE MARRIAGE: PROBE FOR DATE WHEN CURRENT MARRIAGE STARTED AND, IF APPROPRIATE, FOR STARTING AND TERMINATION DATES OF ANY PREVIOUS MARRIAGE.
FOR WOMEN NOT CURRENTLY MARRIED: PROBE FOR DATE WHEN LAST MARRIAGE STARTED AND FOR TERMINATION DATE AND, IF APPROPRIATE, FOR THE STARTING AND TERMINATION DATES OF ANY PREVIOUS MARRIAGE.