After a safe deposit box is opened under §335, the contents must be kept for at least:

AI Explanation

The minimum safekeeping period after opening is two years. Banking Law §335(1)(b) states that the contents removed from the safe deposit box must be retained by the lessor for not less than two years unless sooner removed by the lessee. Not to be confused with the earlier 30-day notice period, the retention period is much longer.