Department of State, Foreign Operations, and Related Programs Permanent General Provisions Act of 2019 This bill makes permanent various foreign relations-related provisions. These include a general requirement that expenditures under certain Department of State contracts for consulting services are made public; a general prohibition against providing certain types of foreign assistance to a country whose duly elected head of government has been deposed in a military coup d'etat, a country in default of certain U.S. government loans, or a country that supports international terrorism; a general prohibition against assistance by the Export-Import Bank or the Overseas Private Investment Corporation for the non-U.S. production of a commodity for export that will likely be in surplus and where such surplus will cause substantial injury to U.S. producers; various requirements relating to how the U.S. Agency for International Development (USAID) handles funds for certain types of assistance; a provision generally authorizing aircraft procured for certain State Department programs to be used in any other program or region; a provision authorizing the extension of the employment of certain USAID personnel for up to four years; a provision generally requiring certain foreign-relations-related programs to provide timely access to documents to the relevant Inspector General office; and a provision authorizing assistance to certain countries for such countries to commercially lease certain defense articles from U.S. commercial suppliers.