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Zone 5 uses eight 2-digit codes (51–58) and two sets of 3-digit codes (50x, 59x) to serve South and Central America. Zone 6 uses seven 2-digit codes (60–66) and three sets of 3-digit codes (67x–69x) to serve Southeast Asia and Oceania. Zone 7 uses an integrated numbering plan; two digits (7x) determine the area served: Russia or Kazakhstan.
International Civil Aviation Organization: XR1 Region 1 (RR 5.3) XR2 Region 2 (RR 5.4) XR3 Region 3 (RR 5.5) XRY Antarctic Region (RR AP 26/5.2) XSC ex SCG Serbia and Montenegro: XSD ex Republic of the Sudan before 14 July 2011 → SDN + SSD XSP Spratly Islands: XSU ex URS Soviet Union → RUS + … XUN United Nations: XWB West Bank: XWM
This is a list of heritage NATO country codes. Up to and including the seventh edition of STANAG 1059, these were two-letter codes (digrams). The eighth edition, promulgated 19 February 2004, and effective 1 April 2004, replaced all codes with new ones based on the ISO 3166-1 alpha-2 codes. Additional codes cover gaps in the ISO coverage, deal ...
Federal regulations for shelf life dates on perishable goods mandate a year/month/day format, but allow the month to be written in full, in both official languages, or with a set of standardized two-letter bilingual codes such as 2019 AL 09 or 19 AL 09. CAN/CSA-Z234.4-89 (R2007) [36] Cape Verde: No: Yes: No Cayman Islands: No: Yes: Yes
ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data.It is maintained by the International Organization for Standardization (ISO) and was first published in 1988, with updates in 1991, 2000, 2004, and 2019, and an amendment in 2022. [1]
The FIPS standard includes both the codes for independent countries (similar but often incompatible with the ISO 3166-1 alpha-2 standard) and the codes for top-level subdivision of the countries (similar to but usually incompatible with the ISO 3166-2 standard). The ISO 3166 codes are used by the United Nations and for Internet top-level ...
A school period is a block of time allocated for lessons, classes in schools. [1] They typically last between 30 and 60 minutes, with around 3-10 periods per school day. However, especially in higher education, there can be many more. Educators determine the number and length of these periods, and may even regulate how each period will be used.
It defines three sets of country codes: [1] ISO 3166-1 alpha-2 – two-letter country codes which are used most prominently for the Internet's country code top-level domains (with a few exceptions). ISO 3166-1 alpha-3 – three-letter country codes which allow a better visual association between the codes and the country names than the alpha-2 ...