Letters written in Spanish should be replied to in Spanish. Words or phrases that are harmless or commonplace in one country can take on an offensive meaning in another. The best months for business visits are January to June and September to November. Avoid the two weeks before and after Christmas and Easter. Dress Business wear is formal.
Casual sportswear is acceptable during the day throughout the country.
At beach resorts, dress is very informal for men and women with the exception of restaurants and hotel dining rooms. Greeting Mexicans love to celebrate life, to eat and drink and dance with family and friends. They also attach much importance to courtesy and the use of titles. Mexicans regard relationships and friendships as the most important thing in life next to religion and they are not afraid to show their emotions. A large Mexican family always seems to find room for one more and a visitor who become friends with a Mexican will invariably be made part of the family.