GLN Allocation Rules
In general, each organisation assigns GLNs to their physical or digital locations, legal entities, or functions for which that organisation has responsibility (a process known as allocation). There are different rules and best practices for GLN allocation depending on what the GLN is identifying, for example, a physical location, a legal entity, a digital location or a function.
In practice, a single GLN may identify a combination of location types, for example, both a physical location and a function. In such cases, multiple rules and best practices may apply. Assigning multiple usage types to a GLN should be done with caution, and the potential impact should one of those usage types change should be taken into account. Refer to the GLN Allocation Rules for information about GLN assignment. GLNs used in the healthcare supply chain shall never be reused.
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