Structure and content of the shareholding.  Quotas and shares | Shareholder duties of contribution.  Initial capital contributions | Duty to cooperate and duty of loyalty to other shareholders. Practical considerations | General and special corporate rights | Right to profits and to share in liquidation | Right to vote | Right to information, judicial inquiry and the exercise of corporate rights in case law | Exoneration and exclusion of shareholders | Quota amortisation. Practices in articles of association and case law | Restrictions on share transfers | Purchase of companies | Pledges, usufruct and financial leasing of quotas and shares.