This pact also requires that certain shops will be open in the morning for passengers on early flights.

The pact has required most Mexicans to tighten belts already constricted by six years of austerity.

Once the barriers have been lowered considerably, free-trade pacts require little additional effort.

Often, the pacts require chiefs to be paid whether or not they work.

But the pact nonetheless requires sponsors to apply for permits for most events 72 hours in advance.

What their pacts with these dark forces require of them is not described.

The pact also requires all sides to refrain from complaining or gloating about it.

These pacts usually require payment in advance and contain built-in rent increases.

But that pact did not require disarmament, which made it relatively easy for the parties to resume fighting.

Talks between the two countries and Canada have now begun, but the final pact requires approval by Congress.