• The copyright of anonymous and pseudonymous works shall be protected for 70 years after the date of their publication
• It is a statute, regulation, Knesset protocol or court decision and therefore ineligible for copyright protection according to §6 of the 2007 statute
• Governmental items including items like the national flag of Palestine isn't under copyright and is in public domain according to the 1921 Trademarks Ordinance and 1938 where the source states that governmental items including national flags are not capable of receiving marks AKA trademarks.

También debes incluir una etiqueta de dominio público de los Estados Unidos para indicar por qué esta obra está en el dominio público en los Estados Unidos. Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 50 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, Switzerland and the United States are 70 years, and Venezuela is 60 years.