noun
non-scheduled cash earnings
A financial term referring to earnings outside of regular scheduled pay, such as bonuses or overtime pay.
所定外給与にはボーナスや時間外手当が含まれる。
Non-scheduled cash earnings include bonuses and overtime allowances.
所定内給与 refers to scheduled cash earnings, i.e., regular pay, while 所定外給与 covers additional, non-scheduled payments.
Compound of 所定 (prescribed, scheduled), 外 (outside), and 給与 (pay, salary). The term is a straightforward combination of these elements.