Rodríguez Font Realty Corp. v. J. Gus Lallande, Inc.

“The term of the present contract of lease is three (3) years, to begin retroactively on the first day of April of the current year [1956], and therefore, to expire on the thirty-first day of March, nineteen hundred and fifty-nine, said term to be extendible for three (3) additional years, at the sole option of the lessee, but the latter being bound, in order *333to exercise the right of extension, to have faithfully complied with all the covenants of the present contract; and, in the second place, to notify the lessor by registered mail, at least four (4) months prior to the expiration of the…