Add support for Tanzania TIN

According to http://www.karibuadventure.com/karibu-adventures-certificates/tin-number/ it is called "Taxpayer Identification Number" (sometimes "Tax payer identification Number"), or "TIN" for short.
Sometimes called "TIN number".
Sometimes "TIN namba" in swahili.
https://www.tra.go.tz/index.php/starting-business/104-starting-business/438-tin-registration-desk confirms the naming.
https://world.salestaxhandbook.com/tz-tanzania
Businesses in Tanzania that are required to collect tax will be issued an identification number. Tax identification numbers can be verified with the Tanzania Revenue Authority, and will follow a certain format. The VAT number format is 00-111111-A.
- This format example looks like for the VRN, rather than TIN, at least according to the examples at https://sepon.co.tz/
- and https://www.wistasinn.co.tz/uploads/Wistas_Company_Profile_Final.pdf
- and https://multiplexsystems.co.tz/index.php/media-center/downloads?download=10:multiplex-technology-ict-profile
- and https://tadio.co.tz/www/en/stations/kahama-fm/
- and http://gncsolutions.co.tz/corporate-social-responsibility/
According to https://www.pwc.co.tz/assets/pdf/vat-alert-july-2018-requirments-reminder.pdf TIN and VAT Registration Number (VRN) are two different things.
According to the forms linked in https://sra.co.tz/verification-of-taxpayers-records/ it looks like it is 9 positions long, separated in groups of three.
According to the form at https://procedures.tic.go.tz/media/TIN%20form%202_1.pdf it is 9 positions long.

Could not find any specification on the structure/format, neither whether it has any check algorithm.

Note that there also exists a VAT Registration Number (VRN), so the TIN could not be used as such.

Examples:

More than 700 examples at https://trade.tanzania.go.tz/media/LICENSED-CFA-SEPT.-2017-4%20pdf.pdf (attached here just in case).
69 examples at https://www.nemc.or.tz/uploads/publications/sw-1625824258-EXPERTS%20UPDATED%20COMPLETE%202020%20A-Z%20NAMES.pdf (attached here just in case). All copied here:

129-042-877 135-202-827 115-575-503 106-091-625 120-723-987 122-044-483 104-746-047 123-854-233 100-101-297 117-305-341 107-075-259 100-178-117 107-966-013 112-166-386 122-034-178 138-882-756 117-409-171 107-260-692 100-197-898 137-843-951 107-199-101 126-085-451 135-769-827 118-926-862 115-692-127 126-471-688 112-351-035 123-288-602 121-786-524 113-225-246 138-007-286 122-992-136 101-041-662 139-953-462 109-345-180 908-263-792 111-588-198 125-967-574 107-588-582 116-800-403 101-299-570 139-362-756 131-057-857 106-736-839 101-151-425 101-668-479 104-368-867 113-663-903 121-666-944 135-703-877 132-761-728 106-955-581 130-882-110 105-861-400 140-564-044 134-154-497 115-236-776 129-515-406 119-343-100 110-034-326 119-264-251 101-024-490 107-538-844 101-473-368 104-979-386 100-173-697 106-535-590 140-148-628 111-039-240
121-207-079 from http://www.karibuadventure.com/karibu-adventures-certificates/tin-number/
117-030-407 from https://pro.or.tz/downloads/tin.php
130-393-985 from https://sportpesa.co.tz/
139 457 471 (also as 139-457-471 on attached images) from https://www.kisanjamasters.co.tz/about-us/company-profile/
135-000-205 from https://kibogate.co.tz/tin-certificate/
107-618-627 from https://juland.co.tz/sites/default/files/TRA2.pdf
124-753-783 from https://www.wezeshasasa.co.tz/info/Terms-and-Conditions
120-662-023 from http://peagas.co.tz/?page_id=1324
105-038-321 from http://isz.co.tz/wp-content/uploads/2021/04/Job-advert-2021-for-teachers.pdf
105-669-445 from https://www.radiowave.co.tz/images/about/RWCL_Statutory_Compliance_Documents_2019_opt.pdf
139-384-059 from https://www.jambotrips.co.tz/ru/page/about-us-jambo-trips-africa-tours
133-604-049 from http://www.kambasgroup.co.tz/wp-content/uploads/2021/11/certificate.pdf
142-303-175 from http://www.spectrums.co.tz/about_us.html
138-506-789 from https://gypsumplusmines.co.tz/
100-849-089 from https://kvdgroup.co.tz/about-us-4/
107-211-748 from http://www.barakaltd.co.tz/images/baraka_ltd_profile.pdf
141-076-841 from https://www.wecab.co.tz/about-us
115-793-217 from https://clusters.costech.or.tz/MFPCI?page=2
156-158-429 from https://www.mof.go.tz/uploads/text-editor/files/2.%20AGNESS%20SAMWEL%20NYAGALU_1666354244.pdf
100-168-375 from https://dse.co.tz/sites/default/files/PRECISION%20AIR%20PROSPECTUS%20September%202011.pdf
127-321-361 from https://bikosports.co.tz/liveall
121-899-779 from https://sepon.co.tz/
108-711-744 from https://www.wistasinn.co.tz/uploads/Wistas_Company_Profile_Final.pdf
130-376-134 from https://multiplexsystems.co.tz/index.php/media-center/downloads?download=10:multiplex-technology-ict-profile
136-449-125 from http://www.kandanda.co.tz/privacy-policy/
138-921-646 from https://www.safantatours.co.tz/Our-Company-Descriptions.php
102-158-008 from https://www.mof.go.tz/uploads/text-editor/files/59.%20KAMAKA%20-14,062,100_1666511334.pdf
127-975-116 from https://www.mof.go.tz/uploads/text-editor/files/53.%20GOODWILL%20-9,131,400_1666511163.pdf
110-496-907 from https://tadio.co.tz/www/en/stations/kahama-fm/
105-437-706 from https://endeleza.dse.co.tz/sites/default/files/2021-07/AKM-Draft%20Financial%20Statements%202018.pdf
101-325-695 from https://fullshangweblog.co.tz/2020/09/04/takukuru-manyara-yamfikisha-babu-joha-mahakamani-na-kusomewa-makosa-mawili/
100-784-661 from https://spil.co.tz/download/tra-tin-vat/
129-210-958 from http://www.jtsltd.co.tz/about_us.html
124-530-725 from http://www.moyomedia.co.tz/contact-us/
120-332-694 from http://kkiniconsulting.co.tz/wp-content/uploads/2018/05/KKCE-Profile.pdf
144 - 532 - 074 from https://www.pmo.go.tz/uploads/documents/sw-1662447467-Gazeti%202%20september%202022.pdf
101-345-467 from https://www.utumishi.go.tz/uploads/documents/sw-1656450886-29_OKTOBA__2021.pdf
111-169-268 from https://fanikiwa.co.tz/swa/sheria-na-masharti/
105-875-304 from http://weberms.co.tz/uploads/delivery/NOTE03TZ842040755201904111440.pdf
https://www.mof.go.tz/uploads/text-editor/files/1.%20Plasco%20limited%20for%20supply%20of%20WATER%20PIPES_1658316256.pdf

108-537-108 100-147-181
128-755-586 from https://www.taneps.go.tz/epps/cft/listClarification.do?resourceId=14400344
100-145-804 from https://kigomaujijimc.go.tz/storage/app/media/uploaded-files/10-31-2022-07.49.44.pdf
102-072-286 from https://kaeso.or.tz/about-us
120-992-864 from https://www.stepsholdingsltd.co.tz/about
123-854-233 from https://colbaconsulting.co.tz/company-overview/
142-253-011 from https://nebconstruction.co.tz/
101-042-197 from https://zabuni.co.tz/storage/tenders/1553189916.pdf
101-195-651 from https://atc.ac.tz/mechanical/index.php/research-and-consultancy/atc-production-and-consultancy-bureau
130 307 337 from http://medox.co.tz/contact.php
138-360-679 from https://kimimba-swimming.co.tz/
130-084-273 from https://unitytechnologies.co.tz/about-us/
107-089-765 from https://urambodc.go.tz/storage/app/media/uploaded-files/vendor%20form-%20mfano%20Wazabuni.pdf
144-436-253 from https://www.sepcoauctioneering.co.tz/
130-265-529 from http://www.almubarak.ac.tz/schoolinformation.php
132760721 from http://www.blueskies.co.tz/about.html
135-972-118 from http://tanvic.co.tz/mist/index.php/about-us-layout2
105-632-991 from http://gncsolutions.co.tz/corporate-social-responsibility/
101-034-879 from http://shpi.or.tz/wp-content/uploads/2020/10/Audited-balance-and-Account-as-at-30thm-June-2017.pdf
112-911-847 from https://wajageneral.co.tz/wp-content/uploads/2022/02/Job-Vacancy-announcement-for-marketing-officers.pdf
100-195-232 from https://dse.co.tz/sites/default/files/Maendeleo%20Bank-Final%20prospectus%20as%20at%20August%202013.pdf
120-884-336 from https://www.thecitizen.co.tz/tanzania/news/national/fraudsters-target-investors-traders-2594430
110-170-335 from https://sentinelworks.co.tz/affiliates/
100-895-803 from https://legal.mcl.co.tz/public/uploads/dis/2022/07/fr13e3046da96529b71443cd8fcc181f066b3d58d1.pdf
129-506-202 from http://www.mwingapower.co.tz/profile.pdf
145-456-789 from https://zanhost.co.tz/
120-537-776 from https://biclimited.co.tz/
136-968-017 from https://www.powershield.co.tz/faq/
100-202-646 from https://www.nao.go.tz/uploads/Annual_General_Report_for_Development_Projects_2019_20.pdf
103150524 from https://www.pmo.go.tz/uploads/documents/sw-1649760880-GAZETI%2025%20MACHI%202022.pdf
117-953-300 from http://www.kasaha.co.tz/
125-181-317 from https://www.yetumfplc.co.tz/wp-content/uploads/2020/02/YETU-PROSPECTUS-ENGLISH-FULL-Editted-Final.pdf
134-267-437 from http://chuo.bslschools.co.tz/admission
125 319 890 from https://uresassociates.co.tz/legal_status_firme1b7.html
122-452-328 from http://kgginvestment.co.tz/contact-us/
118-847-407 from http://adlg.or.tz/about-us/
139 457 471 from https://www.kisanjamasters.co.tz/about-us/company-profile/
https://www.mof.go.tz/uploads/text-editor/files/TEMEKE%20CONTRACTS%20NO.%2017-21_1661346171.pdf

107-855-106 116-738-023 144-372-069 100-146-630
139-384-059 from https://www.jambotrips.co.tz/page/about-us-jambo-trips-africa-tours
102-825-128 from https://www.wosac.co.tz/About_Us.html
113-521-937 from https://www.accenture.co.tz/contact-us/
128-263-454 from https://rmholdings.co.tz/
138-675-009 from https://ancassociates.co.tz/
120-364-529 from https://geniusworks.co.tz/downloads/SMS_Agreement.pdf
141-610-678 from https://easyworld.co.tz/
126 – 041 – 349 from https://derm.co.tz/elevators/registrations-and-legal-documents/
108-998-350 from http://zongii.co.tz/about-us/
115-577-239 from https://tadio.co.tz/www/en/mpanda-fm/
125-885-020 from https://hbksenterprises.co.tz/
132-800-723 from https://mjptl.co.tz/about/
110-402-910 from https://kgc.co.tz/about-us
110-496-907 from https://radiotadio.co.tz/kahamafm/page/13/
138-692-302 from https://mascons.co.tz/
103-626-137 from http://www.counsenuth.or.tz/wp-content/uploads/2019/07/Audit-Report-2015.pdf
153-443-971 from https://mayer.co.tz/contact/
111-927-480 from https://hematec.co.tz/wp-content/uploads/2017/11/Hematec-Certificate-.pdf
116-285-088 from https://www.mof.go.tz/uploads/text-editor/files/6.%20Nyumbigwa%20general%20supplies%20-%20PIPES%20AND%20WATER%20METER_1667825578.pdf
129-937-084 from https://ecohomes.co.tz/about-us/
142-002-078 from https://www.primelogix.co.tz/contact/
115-302-302 from http://sekagomaconsultancy.co.tz/home/index.php/2020/03/26/pellentesque-imperdiet/
127-491-690 from https://sundymerchants.co.tz/about-us
138-506-789 from https://gypsumplusmines.co.tz/
100-849-089 from https://kvdgroup.co.tz/about-us-4/
127- 532-931 from https://www.iact.co.tz/
103-410-444 from https://dse.co.tz/sites/default/files/dsefiles/TCCIA%20Investment%20PLC-%20Prospectus.pdf
101-346-943 from https://www.dart.go.tz/uploads/vacancies/en1538752393-Second%20%20.pdf
125-181-317 from https://www.yetumfplc.co.tz/wp-content/uploads/2015/06/Prospectus.pdf
https://www.utumishi.go.tz/uploads/documents/sw-1662457205-19%20AGOSTI,%202022.pdf

154-318-933 139-793-412
100147181 from https://verify.tra.go.tz/Verify/Verified?Secret=12:04:04
130-210- 392 from https://ark.co.tz/wp-content/uploads/2018/05/Tax-Alert-No.-001-05-2018-WCF-Online-Self-Service-Portal.pdf
138-584-666 from https://www.utumishi.go.tz/uploads/documents/sw-1662454855-29%20JULAI,%202022.pdf
120-036-815 from https://www.tanzania.go.tz/uploads/documents/sw-1656436717-GAZETI%20LA%20TAREHE%2004.02.2022.pdf
105-437-706 from https://endeleza.dse.co.tz/sites/default/files/2021-07/AKM-Draft%20Financial%20Statements%202019.pdf
117-653-218 from http://www.delvetech.co.tz/wp-content/uploads/2017/06/Delve-Tech-Company-Profile_2017.pdf
131-946-961 from http://tra.or.tz/
118-690-265 from https://www.mof.go.tz/uploads/text-editor/files/65.TEXAS%20HARDWARE%20LTD_1667375153.pdf
120-992-864 from https://stepsholdingsltd.co.tz/
125-801-153 from https://www.utumishi.go.tz/uploads/documents/sw-1667899138-04%20NOVEMBA,%202022.pdf
https://www.google.com/search?q=site:.tz+%22TIN+certificate%22&tbm=isch

arthurdejong / python-stdnum

Add support for Tanzania TIN #224