self-assessment

/ˌselfəˈsesmənt/ noun

Definition

› [U] TAX a system for people to calculate for themselves how much income tax to pay: New guidelines are being published for self-assessment this tax year. Make sure that you have submitted your self-assessment tax return by 31 January.

› [C or U] HR, WORKPLACE a judgment made by an employee about their own work, abilities, etc., or the process of doing this: Despite these achievements, she was humble in her self-assessment. Managers are regularly asked to carry out self-assessment exercises.

(Definition of self-assessment noun from the Cambridge Business English Dictionary © Cambridge University Press)