The phrase 'mandatory introduction' is correct and can be used in written English.
For example, you could say, "At this meeting, a mandatory introduction is required to introduce yourself to the other members of the group."
Our iPhone-centric culture, though, has had its casualties – quite literally, in the case of the two publicans who were tragically shot dead by police at an illegal protest in 2011 against the mandatory introduction of the now commonplace anti-binge-drinking Breathalyser app, which monitors citizens' alcohol intake via Google Earth, GPS and CCTV facial recognition software.
The Mayor's involvement comes after recommendations of the review included the mandatory introduction of a five-minute minimum waiting time between the booking and arrival of a taxi, all drivers to take an English Language test and introducing a facility to pre-book a taxi for up to seven days in advance of the journey.
Norway has a mandatory introduction program and recently also a relatively soft language and knowledge tests for naturalization.
Using data from a gradual, but mandatory, introduction of an e-prescription system in Norwegian municipalities starting from 2011, it is possible to reduce these problems.
Until the mandatory introduction of viral inactivation techniques of blood plasma products in the early 1980s many recipients of these products were infected with various viral pathogens.
In particular, a proposition by one of the left-wing parties went so far as to propose that the mandatory introduction of the free choice of primary health at the county level be repealed (Proposition 2014/15:15).
For pets and ruminants notably, a quarantine period and a non contagiosity certificate are mandatory before introduction of the animal.
However, standardization of different technical platforms as well as the control of pre-analytical and analytical factors is mandatory before its introduction into clinical practice.
This approach has evolved over the 7 years of the IDP with the introduction of mandatory club doctor notification and mandatory independent addiction medicine specialist assessment for players with positive tests.
In 2012 in the UK an all-party parliamentary group on body image recommended the introduction of mandatory lessons on body image in primary and secondary schools; mandatory lessons were introduced specifically to reduce body image concerns.
With the December 2007 introduction of mandatory helmet use, further research is now required to calculate the benefits of motorcycle helmet use in Vietnam together with research exploring compliance, quality standards and the development appropriate helmets for children.
