A passport is a formal identity document or certification issued by a national government that identifies the holder as a national of a particular state, and requests permission, in the name of the sovereign or government of the issuing country, for the bearer to be permitted to enter and pass through other countries. Passports are connected with the right of legal protection abroad and the right to enter one's country of nationality. Passports usually contain the holder's photograph, signature, date of birth, nationality, and sometimes other means of individual identification. Many countries are in the process of developing biometric properties for their passports in order to further confirm that the person presenting the passport is the legitimate holder.
One of the earliest references to passports was made in about 450 B.C. Nehemiah, an official serving King Artaxerxes of ancient Persia, asked permission to travel to Judah. The King agreed and gave Nehemiah a letter "to the governors of the province beyond the river" requesting safe passage for him as he travelled through their lands
The term 'passport' most probably originates not from sea ports, but from medieval documents required to pass through the gate ('porte') of city walls. (The word is thus to be connected ultimately with Latin porta, gate, and not Latin portus, port/harbor.) In medieval Europe such documents could be issued to any traveller by local authorities and generally contained a list of towns and cities through which the holder was permitted to pass. This system continued in France, for example, until the 1860s. During this time passports were often not required for travel to seaports, which were considered open trading points, but were required to travel from them to inland cities. Early passports often, but not always, contained a physical description of the holder, with photographs being added only in the early decades of the 20th century.
Following the world wars, the League of Nations (International Conference on Passports, Customs Formalities and Through Tickets, 1920), and later the United Nations and the ICAO, issued standardisation guidelines on the layout and features of passports. These guidelines have largely shaped the modern passport.
In recent years there has been a movement to introduce biometric information to passports to improve identity security. It is at present questionable whether such technology is sufficiently developed and robust for this task. The U.S., for example, has twice delayed the introduction of this technology due to poor reliability results.
Most citizens are issued with ordinary passports for regular travel.
Diplomatic personnel are issued diplomatic passports which identify them as diplomatic representatives of their home country. Although they may then enjoy certain privileges in the country they are performing their duties in (including diplomatic immunity after the host country grants accreditation to the passport holder as a member of a diplomatic mission), this is a consequence of their position rather than the possession of a Diplomatic Passport.
Service passports are issued to the technical and administrative personnel of diplomatic missions such as embassies and consulates. These personnel have fewer immunities and privileges than diplomatic personnel. The details are laid out in the Vienna Convention on Diplomatic Relations.
Some countries issue official passports to some of their civil servants, for travel on official purposes although some countries will use an Official passport interchangagbly with a Service passport. Depending on country's bilateral agreements, in some cases bearers of official passports may require a visa, whereas bearers of normal passports would not, and in other cases official passport holders may be granted visa-free entry, while normal passport holders are required to get a visa.
A group passport may be issued, for example, for a school trip. All children on the trip would be covered by the group passport for the duration of the trip.
A lookalike passport may be issued by countries with complex nationality laws. In the United Kingdom, as a result of its colonial heritage, and domestic constitution has developed different classes of citizenship. Some passports are simply travel documents which offer no right of abode, while others indicate full right of residence. Meanwhile, not all U.K. citizens are automatically European Union citizens, and are issued with passports which carry no EU endorsements.
Multiple passport regimes can operate in one country. The main example of this is China, where the One country, two systems model has resulted in Hong Kong and Macao having their own passports and immigration regulations. Numbers of countries and territories offering visa-free entries to these three type of passports vary.
Internal passports have been issued by some countries, as a means of controlling the movement of the population. Examples include the Soviet internal passport system and the hukou residency registration system used in the People's Republic of China.
One of the earliest references to passports was made in about 450 B.C. Nehemiah, an official serving King Artaxerxes of ancient Persia, asked permission to travel to Judah. The King agreed and gave Nehemiah a letter "to the governors of the province beyond the river" requesting safe passage for him as he travelled through their lands
The term 'passport' most probably originates not from sea ports, but from medieval documents required to pass through the gate ('porte') of city walls. (The word is thus to be connected ultimately with Latin porta, gate, and not Latin portus, port/harbor.) In medieval Europe such documents could be issued to any traveller by local authorities and generally contained a list of towns and cities through which the holder was permitted to pass. This system continued in France, for example, until the 1860s. During this time passports were often not required for travel to seaports, which were considered open trading points, but were required to travel from them to inland cities. Early passports often, but not always, contained a physical description of the holder, with photographs being added only in the early decades of the 20th century.
Following the world wars, the League of Nations (International Conference on Passports, Customs Formalities and Through Tickets, 1920), and later the United Nations and the ICAO, issued standardisation guidelines on the layout and features of passports. These guidelines have largely shaped the modern passport.
In recent years there has been a movement to introduce biometric information to passports to improve identity security. It is at present questionable whether such technology is sufficiently developed and robust for this task. The U.S., for example, has twice delayed the introduction of this technology due to poor reliability results.
Most citizens are issued with ordinary passports for regular travel.
Diplomatic personnel are issued diplomatic passports which identify them as diplomatic representatives of their home country. Although they may then enjoy certain privileges in the country they are performing their duties in (including diplomatic immunity after the host country grants accreditation to the passport holder as a member of a diplomatic mission), this is a consequence of their position rather than the possession of a Diplomatic Passport.
Service passports are issued to the technical and administrative personnel of diplomatic missions such as embassies and consulates. These personnel have fewer immunities and privileges than diplomatic personnel. The details are laid out in the Vienna Convention on Diplomatic Relations.
Some countries issue official passports to some of their civil servants, for travel on official purposes although some countries will use an Official passport interchangagbly with a Service passport. Depending on country's bilateral agreements, in some cases bearers of official passports may require a visa, whereas bearers of normal passports would not, and in other cases official passport holders may be granted visa-free entry, while normal passport holders are required to get a visa.
A group passport may be issued, for example, for a school trip. All children on the trip would be covered by the group passport for the duration of the trip.
A lookalike passport may be issued by countries with complex nationality laws. In the United Kingdom, as a result of its colonial heritage, and domestic constitution has developed different classes of citizenship. Some passports are simply travel documents which offer no right of abode, while others indicate full right of residence. Meanwhile, not all U.K. citizens are automatically European Union citizens, and are issued with passports which carry no EU endorsements.
Multiple passport regimes can operate in one country. The main example of this is China, where the One country, two systems model has resulted in Hong Kong and Macao having their own passports and immigration regulations. Numbers of countries and territories offering visa-free entries to these three type of passports vary.
Internal passports have been issued by some countries, as a means of controlling the movement of the population. Examples include the Soviet internal passport system and the hukou residency registration system used in the People's Republic of China.

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