This document summarizes Philippine labor laws regarding meal periods, night shift differentials, overtime work, and emergency overtime work. It provides the general rules and exceptions for each topic. For meal periods, the general rule is they must be at least 60 minutes but can be shortened to 20 minutes under certain circumstances. Night shift differentials require an additional 10% compensation for hours worked between 10PM and 6AM. Overtime work is defined as hours worked beyond 8 in a 24-hour period and must be compensated at 125-300% of the regular wage rate depending on the day worked. Emergency overtime can compel employees to work overtime only under specific emergency circumstances.