Look up per diem reimbursement rates and mileage deductions for business travel worldwide.

Complete
United Kingdom → Kuwait City, KW
Item Name Destination Amount Conditions
Meals Kuwait, Kuwait 14 KWD per day Over 5 hours rate: covers subsistence expenses for a period of more than 5 but less than 10 hours, measured by reference to the times of arrival in and departure from the foreign country.
Meals Kuwait, Kuwait 33.5 KWD per day Over 10 hours rate: covers subsistence expenses for a period of more than 10 but less than 24 hours, measured by reference to the times of arrival in and departure from the foreign country.
Meals and incidentals Kuwait, Kuwait 36.5 KWD per day 24 hour rate: covers the total cost of meals and daily hotel-to-office travel for a full 24-hour period.; The actual room rate is paid in addition to this amount (source shows the rate as 'plus room rate').
Lodging Kuwait, Kuwait 74.5 KWD per night No specific conditions
Breakfast Kuwait, Kuwait 0 KWD per meal This amount is included in the room rate, so it is not paid separately on top of the lodging rate.
Lunch Kuwait, Kuwait 11.5 KWD per meal No specific conditions
Dinner Kuwait, Kuwait 17.5 KWD per meal No specific conditions
Incidentals Kuwait, Kuwait 0 KWD per day Source row labelled 'Other': other expenses incurred during the day; employers may use the individual meal and other rates instead of the over 5 hour, over 10 hour and 24 hour rates.
Drinks Kuwait, Kuwait 4.5 KWD per day No specific conditions
Transport Kuwait, Kuwait 3 KWD per day Covers daily travel between the employee's hotel and office.
Total residual Kuwait, Kuwait 36.5 KWD per day Total residual rate: intended to cover the total cost of meals in a period of 24 hours plus the cost of daily travel between the employee’s hotel and office; the 24 hour rate is the sum of the room rate and this total residual rate.

Source URL:
https://www.gov.uk/guidance/expenses-rates-for-employees-travelling-outside-the-uk
This source provides official travel rate information from gov.uk.