In Switzerland and abroad, all real estate transactions, such as the purchase, sale, holding and construction of real estate, as well as all real estate investment, real estate development or related activities, including brokerage, management and administration of real estate, excluding operations prohibited by the Federal Act of 16 December 1983 on the Acquisition of Real Estate by Foreigners (LFAIE); in Switzerland and abroad, the purchase, sale, holding, administration and management of participations in all types of companies and enterprises, excluding operations prohibited by the Federal Act of 16 December 1983 on the Acquisition of Real Estate by Foreigners (LFAIE).