Mr. Hay to Mr. Calvo.

No. 23.]

Sir: I have the honor to inform you that, satisfactory official assurance having been given that in the Republic of Costa Rica the law permits to citizens of the United States the benefit of copyright on substantially the same basis as to the citizens of that Republic, the President has, by his proclamation of the 19th instant, declared and proclaimed that the first of the conditions prescribed by section 13 of [Page 588] the act approved March 3, 1891, now exists and is fulfilled in respect to the citizens of the Republic of Costa Rica.

I beg to inclose for your use printed copies of the proclamation1 referred to.

Accept, etc.,

John Hay.
  1. Not printed.