Rule 505 of Regulation D is an exemption for limited offers and sales of securities not exceeding $5,000,000. Company can raise up to $5 million in a 12-month period. Security sales can be made to an unlimited number of accredited investor plus 35 additional investors. Disclosure documents, i.e. a private placement memorandum, must be delivered to all non- accredited investors. If dealing with accredited investors, the number of these is unlimited, but there is no advertising allowed.