6 Month Rule -

Many countries require your passport to be valid for at least . If your passport expires sooner than this window, you may be denied boarding by your airline or entry by border officials.

For U.S. Lawful Permanent Residents (Green Card holders), the "6 month rule" refers to travel outside the United States. 6 Month Rule

Some regions, like the Schengen Area , generally require only three months of validity beyond your planned departure date. Permanent Residency (Immigration) Many countries require your passport to be valid

The "6 Month Rule" most commonly refers to for international travel, but it also appears in contexts like residency and medical procedures. Passport Validity (Travel) Lawful Permanent Residents (Green Card holders), the "6

The U.S. has agreements with over 100 countries (the " Six-Month Club ") that waive this requirement. For citizens of these countries, a passport only needs to be valid for the duration of their intended stay.

Six-Month Validity Update - U.S. Customs and Border Protection

Airlines often enforce this rule strictly because they can be fined for transporting passengers who do not meet entry criteria.