As per the instructions of the Government of Pakistan, recruitment agents are expected to provide a copy of the employment contract to each worker before his departure. Make sure that you get a copy of your employment contract (or employment offer) at least 5 days before departure, and not at the airport when you are about to depart. Depending on the country, immigration officials will check if you possess a copy of the employment contract before they allow you to leave the country.  Complaints may be lodged against defaulting agencies with the nearest Protector of Emigrants.