91ÖÆƬ³§

A business does not ‘apply’ for a 91ÖÆƬ³§ code. As explained above, statistical agencies generally assign 91ÖÆƬ³§ codes based on information provided by a business on an application form, an administrative report, or on a survey or census report form.

[SOURCE: US 91ÖÆƬ³§ MANUAL]