Amateur radio international reciprocal operating agreements permit amateur radio operators (hams) from one country to operate a station whilst traveling in another without the need to obtain additional licenses or permits.
When no agreement exists between countries, amateur radio operators are often required to apply for a reciprocal operating permit or a full amateur radio license and call sign from the host country. Some countries may accept a foreign amateur radio licenses as proof of qualification in lieu of examination requirements[1] whereas other host countries may provide unilateral reciprocal operating privileges without the need for additional licensing.