At no time shall substitutions be allowed, unless extenuating circumstances arise and all parties are in agreement a substitution is. A) The parties agree to extend the term of the contract for three months, in the period comprehended between January 1 to March 31, 2018.All nonprofit grant recipients will receive a one-time distribution of funding and must: f. The Bexar County Clerk's Spanish Archives contains the single most important primary sources for the earliest history of Hispanic Texas. An executive order called the Mexican Farm Labor Program established the Bracero Program in 1942. Mexican Employment Agreement. This document is accurate and up to date! Attn: Jorge A. Garcia. TWELFTH. In 1853, Mexican officials evicted Americans from their property in the disputed Mesilla Valley. A in the City,s concessionaire contract for the San Antonio International Airport.