Marine Administrative Messages 151/15 was signed March 24, which outlines current and revised maximum leave accrual for fiscal year 2013. Marines, who have accumulated more than 60 days of leave have until Oct. 1, 2015 to either take it as vacation or cash out before they lose those days. - Marine Administrative Messages 151/15 was signed March 24, which outlines current and revised maximum leave accrual for fiscal year 2013. Marines, who have accumulated more than 60 days of leave have until Oct. 1, 2015 to either take it as vacation or cash out before they lose those days.