Links Useful Resources Links We have listed some additional resources that may be useful to you and your business. The 504 detailed information below gives a detailed insight into the SBA 504 loan program. Small Business Administration National Association of Development Companies Small Business Development Center SCORE MOFI 504 Detailed Information Understanding SBA 504 Interest Rates US Dept of Treasury article on SBA 504 loan program Office of the Comptroller of the Currency Fact Sheet