Surname law matronym from the name of a parent or parent-in-law; these possibilities are not necessarily open to native Icelanders. Reza Shah Pahlavi ordered Iranians to adopt Western style surnames in place of old Islamic names and titles during his reign. A law in Japan dating from 1896 requires a married couple to have a common surname. Most commonly it was the wife who took her husband's name. In 2011, this law was challenged as unconstitutional on gender equality grounds, but the Supreme Court of Japan upheld the law in 2015. Prussia tasked the implementation of surnames to E. T. A. Hoffmann.
Name change as last names, in the baptismal record. Earlier, only the given name of the child, birth date, baptismal date, and sex were written down, alongside the parents' names. It was not until the beginning of the 20th century, however, that the authorities required everyone to adopt a family surname. Until about 1980, the government still required that a name change applicant apply to the government regional representative (fylkesmann). The law has been replaced twice since then. Nowadays, the process is as easy as in common-law countries; the subject merely submits the names wanted (providing that the surname chosen is not