(1) The variety and sum of the secured obligee's rights;

(2) The time limit to pay debts by the obligor;

(3) The name, amount, quality, situation, location, attribution of ownership or use right of the mortgaged property; and

(4) The security scope.

Article 186 The mortgagee and the mortgagor may not, prior to the expiration of the time limit for paying debts, stipulate that the ownership of the mortgaged property will attributed to the obligee when the obligor fails to pay its due debts.

Article 187 In case properties as provided for in Items (1), (2) and (3) of Paragraph 1 of Article 180 in the present Law or a building under construction in Item (5) are mortgaged, the mortgage registration shall be gone through, and such mortgage right shall be established as of the date of registration.

Article 188 In case properties as provided for in Items (4) and (6) of Paragraph 1 of Article 180 of the present Law or a vessel or aircraft under construction as provided for in Item (5) are mortgaged, the mortgage right shall be established since the mortgage contract comes into effect; without the registration, the mortgage right may not challenge any third party with good faith.

Article 189 As regards the mortgage of the chattels prescribed in Article 181 of the present Law provided by an enterprise, individual industrial and commercial household or agricultural production operator, registration shall be handled by the administrative department for industry and commerce at the locality of the mortgagor. The mortgage right shall be established since the mortgage contract comes into effect; without the registration, such mortgage right may not challenge any third party with good faith.

The mortgage as provided for in Article 181 of the present Law may not challenge the buyer which has paid a reasonable price and obtained the mortgaged property in normal business operations.

Article 190 Where the mortgaged property has been leased prior to the conclusion of the mortgage contract, the original leasehold relations may not be impacted by the mortgage right. Where it is leased after the establishment of the mortgage right, the leasehold relation may not challenge the registered mortgage right.

Article 191 Where a mortgagor alienates, upon consent of the mortgagee, the mortgaged property during the mortgage term, the money generated from such alienation shall be used to pay off debts to the mortgagee in advance or be submitted to a competent authority for keeping. The value exceeding the obligee's rights shall be attributed to the mortgagor, and the deficit shall be paid off by the obligor.

Without the mortgagee's consent, a mortgagor may not alienate the mortgaged property during the mortgage term, unless the transferee pays off the debts on behalf of the mortgagor so as to terminate the mortgage right.

Article 192 The mortgage right may not be alienated alone, or be used as a security for other obligee's rights by departing from the obligee's rights. Unless it is otherwise prescribed by any law or is otherwise stipulated by the parties concerned, when the obligee's rights are alienated, the mortgage right thereof shall be alienated concurrently.

Article 193 Where any act of the mortgagor may sufficiently cause the reduction of the value of the mortgaged property, the mortgagee has the right to require the mortgagor to cease such act. Where the value of the mortgaged property has been lowered, the mortgagee has the right to require the mortgagor to recover the value, or provide a security equal to the