Article 2. Within the limits of areas prescribed in Paragraph 2 of Article 16 of the City-planning Law, and those of parks, green or open space, and those for readjustment prescribed in Paragraph 2 of Article 11 of the same Law and those of projected roads prescribed in the City-area Paragraph 2 of Article 26 of the City-area Building Law it is prohibited to construct, to remodel or to extend buildings except those that come under one of the following items;