Answer Wiki. When someone says a check is non-negotiable, it means, in a nutshell, it canât be used as money. It canât be deposited or cashed, etc. From time to time a teller may hand a seemingly good check back to you if you try to cash it and tell you that it too is non-negotiable.
The best time to go really depends on your priorities. Weather Come to Panama in February, March, September and October for the least chance of rain, although any month from mid-December to the beginning of May is fairly dry. The Panama Canal Zone has a tropical climate ranging from 75 to 85 degrees Fahrenheit, with high humidity year-round.
In Costa Rica there are 2 seasons: 1  The Dry Season: (locally called âveranoâ, i.e. summer) The dry season lasts from November/December to the end of April. 2  The green season: (locally called âinviernoâ, i.e. winter) The (âgreenâ) rain season lasts from May until November.