Section 40 Assessable income is income of the following categories including any amount of tax paid by the payer of income or by any other person on behalf of a taxpayer.
(1) Income derived from employment, whether in the form of salary, wage, per diem, bonus, bounty, gratuity, pension, house rent allowance, monetary value of rent-free residence provided by an employer, payment of debt liability of an employee made by an employer, or any money, property or benefit derived from employment.
(2) Income derived from a post or from performance of work, whether in the form of fee, commission, discount, subsidy, meeting allowance, gratuity, bonus, house rent allowance, monetary value of rent-free residence provided by a payer of income, payment of debt liability of a taxpayer made by a payer of income, or any money, property or benefit derived from a post or from performance of work, whether such post or performance of work is permanent or temporary.
(3) Fee of goodwill, copyright or any other rights, annuity or annual payment of income derived from a will, any other juristic act, or court decision.
(4) Income that is: