The instrument isued by the Minister who authorized an officer to incure expenditure is a/an
Answer Details
The instrument issued by the Minister who authorized an officer to incur expenditure is called a "warrant". A warrant is a legal document that authorizes a government official, usually a financial officer, to spend a specific amount of money from a particular fund or budget.
In this context, the Minister issues a warrant to give authority to a specific officer to spend money for a specific purpose. This ensures that government spending is properly authorized and regulated, and helps prevent fraud or misuse of public funds.
Therefore, among the options given, the correct answer is "warrant".