The Children's Research Institute (Wash.DC) uses the following:
1. Coach airfare as arranged by an outsourced travel agency.
2.  Lodging at meeting/conference site or other reasonable proximate
hotel.
3. $35/day for meals.
4.  The in-effect IRS mileage rate (currently  $0.31/mile).
5.  Receipt supported travel related expenses (parking, cab fares, car
rental when appropriate, roadway tolls, etc.)

Items not normally covered include: personal phone calls (toll calls),
in-room movies, spousal accompaniment costs, valet services, and traffic
tickets.

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