IAW AFI 36-2706, informal complaints have no reporting time requirements and are conducted locally. Formal complaints must be filed within 60 days of the last occurrence of alleged discriminatory offense. Formal complaint clarification is conducted by the EO staff.
Under 29 CFR part 1614.105, to file a formal complaint, an individual must initiate contact with an EO counselor within 45 calendar days of the date the matter alleged to be discriminatory took place or in the case of a personnel action, within 45 days of the effective date of the action, or within 45 days of when individual first becomes aware of alleged discriminatory action or the effective date of personnel action. Informal complaints have no reporting time requirements.
The general rule is the Equal Employment Opportunity Commission has no jurisdiction over complaints of discrimination filed against independent consultants and contractors used by agencies. However, in determining whether an employee is a contract or government employee for purposes of Title VII of the Civil Rights Act of 1964. There are eleven factors, which must be considered in such cases and no one factor is decisive.
For more on the eleven factors see attached EEOC Guidance:
EEOC Guidance on Contract Employees