The world’s deepest underwater mailbox is in Susami, Japan, 33 meters below the surface. Divers can purchase waterproof postcards and write messages with oil-based markers. Approximately 1,500 letters are delivered each year, and the mailbox is made from non-polluting metal to prevent damage to coral reefs. The idea was proposed by the postmaster in 1999 […]
Letterboxing is a treasure hunt game that started in England in the 1800s. Participants hide and find waterproof containers called letterboxes, using maps and clues. The game is considered an art form, and common courtesies should be followed. It is popular in the UK and has spread to other areas of the world. Letterboxing is […]
The PO Box Rule in the US states that acceptance of a contract is effective when sent to the US mail. This rule is an exception to most contract law and applies to tax, insurance, and utility payments. Payment is considered made on the postmark date. Challenges to the law include delivery service and proof […]
The mailbox rule in contract law states that if mail is a reasonable method of transportation for an acceptance, it becomes valid on the date it is deposited in the mailbox. This rule applies to payments on insurance premiums and some tax authorities. The rule only applies to acceptances, not rejections. Clauses may be used […]
