Add support for Liechtenstein TIN

[unho]

• https://www.oecd.org/tax/automatic-exchange/crs-implementation-and-assistance/tax-identification-numbers/LIECHTENSTEIN%20TIN.pdf
• According to https://www.llv.li/inhalt/117378/amtsstellen/arbeitgeber-peid-re the "Handelsregister Nummer" (which has the form of FL-0002.458.973-3) can be converted to the PEID number by dropping the leading FL- as well as the leading zeroes and the last digit, like 2458973.
  • This is also stated in https://www.liechtenstein-business.li/en/Service-for-entrepreneurs/After-founding-the-company/personnel/employment-registration

Online search:

• https://www.oera.li/cr-portal/suche/suche.xhtml

Examples:

• https://griffin.li/imprint/?lang=en

  1053541

• https://shop.timeless.li/Imprint

  2467526

• http://www.projekt365.li/

  2518516

• https://www.brainbot.li/

  2555984

• https://gross-steg.li/wp-content/uploads/2013/10/2012-Viehtrieb-Steg-V4b.pdf

  2766 84167 84166

• https://www.erminson.li/impressum.html

  2536979

• https://www.sieunder.li/impressum.html

  2580190

• http://www.jankowski.li/

  2557953

• https://www.hartmannrealestate.li/%C3%BCber-uns/

  2547594

• https://www.one-commerce.li/kontakt.htm

  2031108

• http://abgb.li/ECG.html

  2385259

• https://www.granville.li/impressum

  2.580.073

• https://future-marketing.li/impressum/

  2581203

• https://www.lanv.li/Portals/0/2018/Volksblatt%20gek%C3%BCndigte%20haben%20es%20schwer.pdf

  100364

• https://www.vaduz.li/fileadmin/vaduz-li/Politik-Verwaltung/Kurzprotokolle/2019/OEffentliches_Protokoll_22_01_2019.pdf

  2043832

• More PEID numbers can be obtained from the "Handelsregister Nummers" https://www.google.com/search?q=site%3A.li+%22Handelsregister+Nummer%22