Under Pres. Decree No.20, there are different limitations imposed upon the lessor in order to protect the lessee, such as:
(1) No lessor shall increase the rental as agreed upon;
(2) No lessor may demand a deposit, for any purpose of any amount in excess of two month rental in advance; and
(3) No lessor may judicially eject the lessee when the period which is fixed for the duration of the leases under Arts. 1682 and 1687 of the Civil Code has expired (Secs. 1,2 & 3, PD 20).