20. Which of the following is not included in the written constitution of a country? (A) Powers and functions of officers of state
(B) Methods of Taxation of Citizens
(C) Powers and Responsibilities of Parliament
(D) Rights and Responsibilities of citizens

(B) Methods of Taxation of Citizens

Explanation:

The constitution of a country presents a series of principles and general rules that determine the legal, political, and economic system of a country.

Methods of taxation are a very specific form of economic policy, and they are usually specified in a tax code, that follows some principles from the constitution, but that is not included in the constitution itself.

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