§ 73a.735-401 General provisions.
(a) Employees of the Food and Drug Administration shall obtain advance approval for all outside employment, whether paid or unpaid. Employment, as used in this section, does not include:
(1) Memberships in charitable, religious, social, fraternal, recreational, public service, civic, or similar nonbusiness organizations.
(2) Memberships in professional organizations. (Officeholding, however, requires advance approval.)
(3) Performance of duties in the Armed Forces Reserve or National Guard.
(b) Control activity employees (defined in § 73a.735–502) will not generally be granted approval to:
(1) Manage or direct an organization whose activities are subject to FDA regulation, or
(2) Be employed in an organization whose business activities are subject to FDA regulation unless:
(i) The regulated activities of the organization are an insignificant part of its total operations, i.e., the regulated products of the organization constitute no more than 10 percent of its annual gross sales, and