Hiv-Vac Inc. (OTCPK: HIVV) agreed to acquire 80% stake in Richard y Lange S.A. De C.V. for $0.56 million on August 23, 2010. In conjunction with the acquisition, HIV-VAC operations will be separated into two distinct divisions. The Richard y Lange division will continue to operate under the names of RiMart. HIV-VAC's name will be changed to Grupo International, Inc. on completion of the deal. Ramon Richard Mora, current Chief Executive Officer of Richard y Lange, will assume the duties of President, Chief Executive Officer and Director of Grupo International. Sally del Principe has resigned and Ramon Richard Mora will replace her as a Director. On February 1, 2011, it was announced that Hiv-Vac Inc. has extended for sixty days, the proposed acquisition of 80% of Richard Y Lange S. A. De C.V. while it completes the due diligence process. As on August 16, 2011, it was announced that audit required for the acquisition of Richard y Lange will be completed by mid-September. Hiv-Vac Inc. (OTCPK: HIVV) cancelled the acquisition of 80% stake in Richard y Lange S.A. De C.V. on June 7, 2012.