National identification number "Teudat Zehut"), bearing an Identity Number, is issued to all residents over 16 years old who have legal temporary or permanent residence status, including non-citizens. Japan's national identification number system, known within the country as "My Number" (Japanese: マイナンバー), went into effect from 2016. The number consists of 12 digits, and one is assigned to each resident of Japan, including non-Japanese long-term residents with valid residency permits. In Kazakhstan there is a 12-digit Individual Identification Number for natural persons (abbreviated in , "ZhSN"; in , "IIN", with first six digits representing person's date of birth in the YYMMDD format) and
Recycling symbol variants of the symbol used today have all the arrows folding over themselves, producing a Möbius strip with "three" half-twists. Existing single half-twist variants of the logo do not generally agree on which of the arrows is the one to fold underneath. The logo is usually displayed with the arrows circulating clockwise, but the underlying Möbius strip exists in two topologically distinct mirror-image forms of opposite handedness. The American Paper Institute originally promoted four different variants of the recycling symbol for different purposes. The plain Möbius loop, either white with an outline or solid black, was to be used to