Withholding tax is the amount of tax retained by one person when making payments to another person in respect of goods supplied or services rendered by the payee. A person receiving or entitled to receive a payment from which income tax is required to be withheld is a withholdee while a person required to withhold income tax from a payment made to a withholdee is referred to as the Withholding Agent.

Payment subject to Withholding Tax. 

Withholding tax applies to specific payments including  payment that is to be included in calculating the chargeable income of an employee from the employment, payment of investment return including  dividend, interest, natural resource payment, rent or royalty, payment in respect to service fee and contract payments and payment in respect to the supply of goods to the government and its institutions

Also, payments are made to suppliers of agricultural, livestock and fisheries products supplied to a resident corporation, However, this will not apply to cooperative societies and cooperative unions.