Alien registration in Japan. Alien registration (外国人登録, gaikokujin tōroku) was a system used to record information regarding aliens resident in Japan. It was handled at the municipal level, parallel to (but separately from) the koseki (family register) and juminhyo (resident register) systems used to record information regarding Japanese nationals.
https://en.wikipedia.org/wiki/Alien_registration_in_Japan
The United States Citizenship and Immigration Service (USCIS) and the National Archives and Records Administration (NARA) signed an agreement on June 3, 2009, to make the Alien Files a permanent series of records, transferred to NARA custody 100 years after the immigrant's year of birth.
https://www.archives.gov/research/immigration/aliens
If you have only been under H-1B visa until now, you do not have an alien registration number, which begins with the letter A - list your I-94 number instead. 1  Kindly be advised that the answer above is only general in nature cannot be construed as legal advice, given that not enough facts are known.
https://www.avvo.com/legal-answers/where-can-i-find-alien-registration-number--is-it--1770201.html
The Immigration and Naturalization Service (INS) began issuing each alien an Alien Registration number in 1940, and on April 1, 1944, began using this number to create individual case files, called Alien Files or A-Files.
https://www.archives.gov/research/immigration/aliens
Alien Registration Number. U.S. Citizenship and Immigration Services (USCIS) assign Alien Registration Numbers (ARN) to non-U.S. citizens at the time of creating their A-files. These numbers are also known as A-numbers or Alien numbers. If you are a legal permanent resident (green card holder), you can find this number on the front of your green card.
http://www.uscisprocessingtimes.org/general/alien-registration-number/
A Number. The alien registration number, which the Department of Homeland Security assigns to each alien. It is an A followed by eight numbers. For example: A12 345 678. Some recently-issued A numbers consist of an A followed by nine digits. For example: A 200 345 678.
https://www.uscis.gov/tools/glossary/number
I need to provide Alien Registration Number in form I-130? Does H1B visa holder has alien registration number? I have not applied for GC or EAD etc. On my h1b stamp in passport there is 8 digit number in red starting with H65***** .
https://www.avvo.com/legal-answers/where-can-i-find-alien-registration-number--is-it--1770201.html
Alien registration was a prerequisite to many activities in Japan, such as purchasing a mobile phone, opening a bank account or obtaining a driver's license. As described below, the alien registration system was replaced with a foreign residents' registration system on July 9, 2012.
https://en.wikipedia.org/wiki/Alien_registration_in_Japan
In a few instances there are files on aliens who registered between 1940 and 1944. These files document aliens who received an Alien Registration number and form prior to 1944, and had an A-File created due to the re-opening of the case after 1944.
https://www.archives.gov/research/immigration/aliens
Alien registration card. After a person registered as an alien, they were issued a photographic identity document called a Certificate of Alien Registration (外国人登録証明書, gaikokujin tōroku shōmeisho), abbreviated (as is common in Japan) to gaitōshō (外登証), and colloquially referred to in English as an alien registration card (ARC) or gaijin card..
https://en.wikipedia.org/wiki/Alien_registration_in_Japan
what document is a alien registration number on?
An alien registration number is on a document called a green card.