19 CFR § 111.11 - Basic requirements for a license.
(2) Attain the age of 21 prior to the date of submission of the application referred to in § 111.12(a);
(3) Be of good moral character; and
(4) Have established, by attaining a passing (75 percent or higher) grade on an examination taken within the 3-year period before submission of the application referred to in § 111.12(a), that he has sufficient knowledge of customs and related laws, regulations and procedures, bookkeeping, accounting, and all other appropriate matters to render valuable service to importers and exporters.
(c) Association or corporation. In order to qualify for a broker's license, an association or corporation must: