(a)Prohibited outside activities. Subject to the exceptions set forth in paragraph (b) of this section, HUD employees, except special Government employees, shall not engage in: (1) Employment with a business related to real estate or manufactured housing including, but not limited to, real estate brokerage, management and sales, architecture, engineering, mortgage lending, property insurance, appraisal services, title search services, construction, construction financing, land planning, or real estate