On the recordApril 21, 1860
Inasmuch, however, as the period had expired within which by the third amendment of the Senate the ratifications should have been exchanged, the Congress of New Granada provided that 'the convention should be ratified and the ratification should be exchanged at whatever time the Governments of the two Republics may deem convenient for the purpose, and therefore the period has been extended which the Senate of the United States had fixed.'
Source
presidency.ucsb.edu
