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

Complete
Belgium → Monterey County, California, United States
Item Name Destination Amount Conditions
Daily allowance United States 110 EUR per day Category 1 flat-rate daily allowance for service trips abroad of maximum 30 calendar days. It covers lunch and dinner, drinks and snacks, local transport, telephone communications and other small expenses; lodging costs and travel to and from the destination are excluded. The allowance is reduced by 35% for lunch and by 45% for dinner when the meal is directly paid by the employer, the foreign authority, the foreign organisation or the inviting party. Under Circular 2025/C/70 (in force since 1 January 2025) the full daily amount also applies on departure and return days and to one-day trips regardless of duration.
Daily allowance United States 66 EUR per day Category 2 flat-rate daily allowance, applied by the tax administration (Circular 2025/C/70) to professional stays abroad of more than 30 consecutive calendar days (maximum 24 months). Same coverage and meal reductions as Category 1 (minus 35% for lunch and minus 45% for dinner when meals are provided).
Lodging United States 400 EUR per night Maximum lodging reimbursement per night, paid on the basis of actual hotel costs on presentation of supporting documents and covering the night and breakfast; overruns above the maximum may be approved on motivated request.

Source URL:
https://www.ejustice.just.fgov.be/eli/arrete/2025/07/14/2025005855/moniteur
This source provides official travel rate information from ejustice.just.fgov.be.