The Passport Office is urging people to keep a close eye on the expiry date of their passports.
Some countries require passport holders to meet certain entry requirements, such as having at least six months remaining before the expiry date.
Next month is the start of the busy period for the office in terms of handling applications and renewals.
Last year the maximum processing time reached up to eight weeks, so people are asked to check the validity of their passports before making any travel plans.
More information can be found on the government website.
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