The growth of the suburb is carried out through subdivision, with landowners seeking the greatest possible return on their plots. To stop this dynamic, the claim of domain of the land by the community arises, which Pedro Bidagor Lasarte will later state, organizing its implementation. The objective is twofold to stop real estate speculation and domination of capital gains by the Administration.

In 1948, the dictator Francisco Franco promulgated the Madrid Urban Planning Law"), the work of which had been carried out by Blas Pérez González, Minister of the Interior.[3]​.

With this simplifying and reductionist character, a line of interpretation of economic phenomena and a doctrinal outline begins in Spain, whose prominence is assumed by the urban parceling, causing the transmutation of the price of the land"). It is necessary to declare the parceling illegal and this will be done, first in the Preliminary Project and then in the Land Law itself.

This entire extensive legal mechanism, which will be expanded in successive years, seeks to curb speculation with the healthy objectives of lowering urbanization costs.

Since subdivision is illegal, it is only possible to build on urbanized land") by the Administration itself, or by individuals in accordance with the new legal mechanisms:.

As a general rule, urban subdivisions are prohibited on rural land.

Once the powers over urban planning and territorial planning have been conferred in Spain to the autonomous communities, a category of rural land appears in Castilla y León ("rural land of irregular settlement"), formed by land that has been subject to urban subdivision or occupation by building through processes outside the regulatory framework in force at the time.[5]​.

Any subdivision, division or segregation of land requires an urban planning license, which can only be granted if the resulting properties meet the characteristics required by the applicable urban planning legislation and territorial and urban planning.

Assimilated to this concept is the alienation "Disposal (Right)"), without division or segregation, of undivided shares to which the right of exclusive use of specific portion or portions of the property is attributed, as well as the constitution of associations or companies in which the quality of partner incorporates said right.

Parceling license applications must attach "Plan (cartography)") plans at an appropriate scale "Scale (cartography)") of the location and surface of the land that is intended to be divided or segregated and the resulting parcels.

The growth of the suburb is carried out through subdivision, with landowners seeking the greatest possible return on their plots. To stop this dynamic, the claim of domain of the land by the community arises, which Pedro Bidagor Lasarte will later state, organizing its implementation. The objective is twofold to stop real estate speculation and domination of capital gains by the Administration.

In 1948, the dictator Francisco Franco promulgated the Madrid Urban Planning Law"), the work of which had been carried out by Blas Pérez González, Minister of the Interior.[3]​.

With this simplifying and reductionist character, a line of interpretation of economic phenomena and a doctrinal outline begins in Spain, whose prominence is assumed by the urban parceling, causing the transmutation of the price of the land"). It is necessary to declare the parceling illegal and this will be done, first in the Preliminary Project and then in the Land Law itself.

This entire extensive legal mechanism, which will be expanded in successive years, seeks to curb speculation with the healthy objectives of lowering urbanization costs.

Since subdivision is illegal, it is only possible to build on urbanized land") by the Administration itself, or by individuals in accordance with the new legal mechanisms:.

As a general rule, urban subdivisions are prohibited on rural land.

Once the powers over urban planning and territorial planning have been conferred in Spain to the autonomous communities, a category of rural land appears in Castilla y León ("rural land of irregular settlement"), formed by land that has been subject to urban subdivision or occupation by building through processes outside the regulatory framework in force at the time.[5]​.

Any subdivision, division or segregation of land requires an urban planning license, which can only be granted if the resulting properties meet the characteristics required by the applicable urban planning legislation and territorial and urban planning.

Assimilated to this concept is the alienation "Disposal (Right)"), without division or segregation, of undivided shares to which the right of exclusive use of specific portion or portions of the property is attributed, as well as the constitution of associations or companies in which the quality of partner incorporates said right.

Parceling license applications must attach "Plan (cartography)") plans at an appropriate scale "Scale (cartography)") of the location and surface of the land that is intended to be divided or segregated and the resulting parcels.