21.   Aspen abandoned a similar program after a trial period.

22.   At the end of the trial period, the commission will decide whether to continue the flat fare, seeking advice from drivers, passengers and hotel owners.

23.   A trial period might be a good idea.

24.   After Peterman and several other retailers who use off-sized catalogs complained, the Postal Service eased the requirement for a six-month trial period.

25.   After seeing that ad and meeting with Hoechst executives to discuss it, the FDA decided to loosen its guidelines for a trial period.

26.   But like many cautious couples, the two agreed on an initial trial period.

27.   During the trial period, Microvision and Kettering will refine the device to make it practical.

28.   E-mattress says it is looking into offering an in-home trial period, but for now the best it can offer is approval on delivery.

29.   Finally, on Friday, the Serbian leader was offered natural gas to heat homes for a two-month trial period.

30.   He agreed to have the Air-Steam Inspirator fitted on one of his vans for a trial period.