A "special waiver" is a permission or exception granted in specific circumstances when someone is allowed to do something that is normally not allowed. Full definition
But special waivers for certain districts undermine the entire system. (educationnext.org)
Travel health insurance purchased outside of Dubai is more comprehensive and you will have greater control over how much you pay and whether you need special waivers such as those for pre-existing conditions. (visitorscoverage.com)
For those students who study medicine, or are already graduated, there are special waivers if they provide their services in poverty - stricken areas or areas affected by disasters (such as hurricanes or floods or famine). (badcreditloanservices.com)