21. A solidary debtor is obligated to share in the burden of making sure that the obligation is performed when one solidary debtor is insolvent.

22. When the object of an obligation is divisible, it may be treated either as divisible or indivisible by the parties to an obligation.

23. When the object of an obligation is indivisible, the obligation will always be Indivisible.

24 A solidary debtor who pays has a right to compel reimbursement from his co debtors

25. An act that is prejudicial to the solidary debtors may nevertheless be binding and valid as far as the solidary debtors are concerned.

26. As a general rule, a solidary creditor cannot assign his rights and interests to others.

27. In case of breach in a joint indivisible obligation, the obligation is converted into an obligation to pay indemnity for damages

28. Indivisibility refers to the object of an obligation in which partial performance is not possible.

29. Divisibility can be possible even if there is one only debtor and one creditor in an obligation.

30. In a facultative obligation, the loss of the principal object prior to substitution due to negligence converts the obligation into one for the payment of damages.