Dual citizenship should only be allowed in exceptional cases.

Dual nationals holding a Commonwealth citizenship that recognise the British monarch as head of state are entitled to use the styling.

Dual citizenship is associated with two categories of security concerns: foreign influence and foreign preference.

* Dual citizenship

Dual citizenship was established ( Article 5 ( 3 ): " Every Czechoslovak citizen is at the same time a citizen of the Czech Socialist Republic or the Slovak Socialist Republic "), and many of the former functions of the central government were instead placed under the jurisdiction of the two national governments.

If, however, the same person emigrated to Canada, obtained Canadian citizenship and commenced employment with a Canadian company, they would be treated as a Canadian-UK Dual National for the purposes of any U. S. export authorization to which their employer was a party.

Dual citizenship between the two states was originally not allowed ; only years later did courts make it possible.

Note: It may look like but it is not a passport nor does it confer actual Dual citizenship.

* Multiple citizenship ( Dual nationality )

Dual citizenship may or may not be permitted.

Dual citizenship is also not allowed, except for those who acquired citizenship by birth.

Dual vector space: The map which assigns to every vector space its dual space and to every linear map its dual or transpose is a contravariant functor from the category of all vector spaces over a fixed field to itself.

Count Berchtold's focus on Serbia was grown out of a fear of Serbian territorial expansion in the Balkans and also a complication of matters within the multinational Dual Monarchy and eventually result in the dissolution of the empire itself.

Dual World Champion Nelson Piquet confirmed the drivers ' positive view on the circuit when he said early in race week " After Detroit and Dallas, we all expected another bad street circuit " while his Brabham team boss ( and the head of the Formula One Constructors Association ) Bernie Ecclestone told the assembled media that he believed that the standard the of the organisation and the circuit itself was bad news for Formula One, explaining that the Adelaide GP had raised the standards of what would be expected in the future and that several tracks in Europe already on the calender, or hoping to be, would have to lift their own games in order to match it.

Dual wielding is holding a tool or weapon in each hand.

A possible example of actual use of two guns firing at the same time is " Dual wield ", practiced by Russian special forces.

For most Christians, it is the stated or " confessed " belief in Jesus as Savior that makes God's grace available to an individual, and salvation can come no other way ( Solus Christus in Protestantism, Extra Ecclesiam nulla salus in Catholicism, see Dual covenant theology for a dissenting view ).

Fortunately, it is possible to build plain track suitable for all three ( see Dual gauge ).

Dual nationality is when a single person has a formal relationship with two separate, sovereign states.

Dual energy X-ray absorptiometry ( DXA, formerly DEXA ) is considered the gold standard for the diagnosis of osteoporosis.

Dual polarisation interferometry is a quantitative analytical method for measuring the overall protein conformation and conformational changes due to interactions or other stimulus.

Dual polarisation interferometry is a time resolved analytical method for determining the overall conformation and conformational changes in surface captured proteins providing complementary information to these high resolution methods.

The Asia Leaders Programme, a Dual Campus Master Programme, is a shared initiative between the Nippon Foundation and the University for Peace, in collaboration with Ateneo de Manila University, which aims to provide students from Japan and other Asian countries with an opportunity to pursue a peace studies post graduate degree with a content-based language-training module.

* October 7 – The Dual Alliance is formed by Germany and Austria-Hungary.

Dual mode systems are either hydrazine / N < sub > 2 </ sub > O < sub > 4 </ sub >, or MMH / hydrogen peroxide ( the former is much more common ).

The TCP / IP implementation, known as " Integrated IS-IS " or " Dual IS-IS ", is described in RFC 1195.

Dual polarisation interferometry is a surface based technique for measuring the optical properties of molecular layers.

Dual polarisation interferometry is also used to measure the complex refractive index for very thin films at optical frequencies.

Dual link should not be confused with dual display ( also known as dual head ), which is a configuration that involves a single computer connected to two monitors.

* Dual link maximum data rate is limited only by the bandwidth limits of the copper the DVI cable is constructed of and by the DVI signal's source.

Dual Polarization Interferometry is used to quantify the order and disruption in birefringent thin films.

Dual treatment ( behavioral therapy and medication ) may provide an advantage in some cases, but robust evidence from high-quality studies is lacking.

The Tsinghua-INSEAD Dual Degree Executive MBA program was initiated in 2006, and is the first program of its kind in China combining international business education with a focus on Asia.

One such server is Dual DHCP DNS.

When a " skinny " Dual In-line Pin package ( DIP ) integrated circuit ( such as a typical DIP-14 or DIP-16, which have a 0. 3 inch separation between the pin rows ) is plugged into a breadboard, the pins of one side of the chip are supposed to go into column E while the pins of the other side go into column F on the other side of the notch.

* Another form of Bilingual Education is a type of Dual Language program that has students study in two different ways: 1 ) A variety of academic subjects are taught in the students ' second language, with specially trained bilingual teachers who can understand students when they ask questions in their native language, but always answer in the second language ; and 2 ) Native language literacy classes improve students ' writing and higher-order language skills in their first language.

This road is colloquially referred to as the " Naas Dual carriageway " because when it was originally up-graded in 1964 the road from Dublin to Naas was a double lane carriageway, one of the first of its kind in Ireland.

In 1963 a Dual Carriageway was built east of the town centre to ease congestion and the opening of the M4 in 1971 moved the intersection of these major trunk routes 5 km north of the town, to Chieveley.

* Dual Degree: A dual degree program ( BFA / BA or BFA / BS ) in which you major in Studio Art at SMFA and another major of the student's choice at Tufts University

The Stillorgan Dual Carriageway ( N11 ) runs parallel to the Old Bray Road and directly through the suburb, and is one the major roads linking Dublin with the South.

In 1867 the military budget accounted for about 25 % of all government spending, but the economic crash of 1873 hit Austria-Hungary hard and foreign observers questioned whether the Dual Monarchy could manage a major war without subsidies.

Dual towers, flanking major city squares, can be found from Berlin to Siberia: