Scotland has banknotes issued by three banks, Clydesdale, Bank of Scotland and Royal Bank of Scotland and these are not legal tender anywhere except Scotland although you may get away with spending them in London and one or two other large cities.
1. Many countries require a passport to be valid for six months. Sometimes these six months are counted from the date of departure, or from the date of entrance. Even though some of these countries only legally allow you to stay for 30 days or three months.. Yes, but it's not NZ insisting that our passports be valid for 6 months more, it's the countries we're visiting. NZ requires visiting people to have 1 month free after the tourist visa expires. It differs from country to country.
Some countries do, indeed, insist on travellers having a minimum of three or six months left on their passport. Countries that require UK passport holders to have six months of validity left on their passport from the date of entry into the country include Brazil, Ecuador, Turkey, Tunisia and Israel. To enter New Zealand as a tourist, you should have a passport valid for a minimum of one month from the date of exit, and you must have an onward ticket. For South Africa, your passport should be valid for a minimum of 30 days from the date of exit from South Africa.