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

Complete
United Kingdom → Port Of Spain, TT
Item Name Destination Amount Conditions
Meals Port of Spain, Trinidad and Tobago 346 TTD 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 Port of Spain, Trinidad and Tobago 993.5 TTD 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 Port of Spain, Trinidad and Tobago 1284.5 TTD 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 Port of Spain, Trinidad and Tobago 281 USD per night No specific conditions
Breakfast Port of Spain, Trinidad and Tobago 222 TTD per meal No specific conditions
Lunch Port of Spain, Trinidad and Tobago 310.5 TTD per meal No specific conditions
Dinner Port of Spain, Trinidad and Tobago 612 TTD per meal No specific conditions
Incidentals Port of Spain, Trinidad and Tobago 0 TTD 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 Port of Spain, Trinidad and Tobago 71 TTD per day No specific conditions
Transport Port of Spain, Trinidad and Tobago 69 TTD per day Covers daily travel between the employee's hotel and office.
Total residual Port of Spain, Trinidad and Tobago 1284.5 TTD 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.