.za .za .za is the Internet country code top-level domain (ccTLD) for South Africa. The .za namespace is managed and regulated by the .za Domain Name Authority (ZADNA). Most domains are registered under the second-level domain .co.za. None of the official names for South Africa can be abbreviated to ZA, which is an abbreviation of the Dutch "Zuid-Afrika". Dutch was considered an official language in the Union of South Africa until 1961; it subsequently lost its synonymous status with Afrikaans in 1983. "Suid-Afrika" is the standard spelling in Afrikaans; however, the .sa domain is used by Saudi Arabia. "Zuid-Afrika" has a
International Registration Plan International Registration Plan The International Registration Plan (IRP) is a registration reciprocity agreement between the contiguous United States and Canadian provinces, which provides apportioned payments of registration fees, based on the total distance operated in participating jurisdictions, to them. IRP's fundamental principle is to promote and encourage the fullest possible use of the highway system. The benefit of this plan is that a carrier may be registered in only his/her home state, yet legally engage in interstate commerce. Each carrier vehicle only needs one specially marked "Apportioned", "APP", or "PRP" license plate, and a cab card which lists each jurisdiction