Asking the HR person at work about the year-end tax adjustment (ๅนดๆœซ่ชฟๆ•ด)

What does this mean?

ๅนดๆœซ่ชฟๆ•ดใญใ‚“ใพใคใกใ‚‡ใ†ใ›ใ„ใซใคใ„ใฆ่žใใใŸใ„ใ“ใจใŒใ‚ใ‚‹ใ‚“ใงใ™ใŒ