The Philippines-U.S. Visiting Agreement, sometimes the PH-US Visiting Forces Agreement, is a bilateral agreement between the Philippines and the United States, which consists of two separate documents. The first of these documents is commonly referred to as “VFA” or “VFA-1″ and the second is referred to as “VFA-2” or “counterparty agreement.”  A Visiting Forces Agreement is a version of an agreement on the status of the armed forces that applies only to troops temporarily stationed in a country. The agreements entered into force on 27 May 1999, after ratification by the Philippine Senate.    The U.S. government considers these documents to be executive agreements that do not require the approval of the U.S. Senate.   The U.S.-Philippine alliance, Born in 1951 by the Mutual Defence Treaty, he was no stranger to stress tests – whether it was the renegotiation of basic agreements in the 1970s or the closure of U.S. military installations in the early 1990s (which, it must be remembered, was VFA 1999, mainly after the increased perception of the Filipino threat to China). From this point of view, the takeover of Duterte`s presidency has provoked the Alliance`s biggest test of resistance in decades, striving to separate Manila from Washington and maintain closer relations with China and Russia, which are in some obstacles, but which still lead to periodic crises and the slowdown in U.S.-Philippine cooperation in some areas. The agreement contains various procedural safeguards to protect due process rights and prohibit dual threats. [VIII 2-6] The agreement also exempts Filipino personnel from visa formalities and ensures expedited entry and exit;  [IV] requires the United States to accept Philippine driver`s licenses;  [V] authorizes Philippine personnel to carry weapons to U.S. military facilities during deployment;  [VI] provides for exemptions and import/export duties for Filipino personnel;  [X, XI] requires the United States to provide medical care to Filipino personnel;  [XIV] and exempts Philippine vehicles, ships and aircraft from landing or port charges, shipping or overflight charges, road tolls or any other charge for the use of U.S. military installations.  [XV] In his message on Twitter, Locsin wrote: “I have published this diplomatic note to the U.S. Ambassador.