What are the examples of the following instances where the debtor would lose the right to make use of every period?

(1) When after the obligation has been contracted, he becomes insolvent, unless he gives a guaranty or security for the debt;

(2) When he does not furnish to the creditor the guaranties or securities which he has promised;

(3) When by his own acts he has impaired said guaranties or securities after their establishment, and when through a fortuitous event they disappear, unless he immediately gives new ones equally satisfactory;

(4) When the debtor violates any undertaking, in consideration of which the creditor agreed to the period;

(5) When the debtor attempts to abscond