The course RET1 covers legal methodology, contract law, sales law, debt collection law, law of mortgages, law on monetary claims, company law and tax law. Legal methodology deals with the general guidelines for legal argumentation. Contract law concerns the rules on entering into and interpretation of contracts, and the rules concerning invalidity. Sales law concerns the rules on buyers’ and sellers’ rights in relation to delivery, and the properties of goods in connection with the purchase of moveable property. Debt collection law deals with the rules for various forms of recovery of monetary claims, separately or collectively. The law of mortgages concerns the rules that apply to various forms of security rights such as guarantees, sureties and mortgages. The law on monetary claims concerns the rules for payment transfers, the transfer of monetary claims, offsetting of monetary claims and the limitation period for monetary claims. Company law provides an overview of the rules on the various forms of company organisation, the formation of companies and the relationship between the competence of the different bodies of an entity. Tax law provides an overview of personal taxation and company taxation.