28- Description Taxable Income Rate Rental of urban real estate- Rent-controlled 70% of gross income 0.14% Rentals up to US$56 monthly " " " 0.75% Rentals above US$56 monthly " " " 5.00% Sub-rental of urban real estate- Rent-controlled Gross income less rent paid to lessor 0.14% Rentals up to US$56 monthly " " " 0. 75% Rentals above US$56 monthly " " " 5. 00% h. Sale or other disposition of urban real estate- When the time elapsed between the acquisition and the sale or disposition is: Up to 2 years 80% of the profit Exhibit B Over 2 years and up to 4 years 70% of the profit Exhibit B Over 4 years and up to 6 years 60% of the profit Exhibit B Over 6 years and up to 8 years 40% of the profit Exhibit B Over 8 years and up to 10 years 20% of the profit Exhibit B Over 10 years Exempt - With the previous authorization of the Treasury Department, when the taxpayer sells real estate in which he has resided for the last two years, and within the following year ap- plies the proceeds to the ac- quisition or construction of other real estate in which he establishes his residence Exempt - i. Sale or other disposition of securities (fixed income securities and stock)- Although the new law taxes the profit on the sale or other disposition of these assets at the rates indicated in the preceding paragraph, by prevision of the Law of Re- venues of the Federation for 1965, such profit is exempt Exempt - j. Bonding premiums received by un- authorized institutions Gross income Exhibit B