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Very precise and detailed stereophotogrammetric evaluation of permeable and impermeable surfaces from aerial images
is the basis for creating a GIS database surfaces permeability for each parcel of real estate cadastre in German
cities. This data is used to calculate not only the amount of diverted water into the sewer system, but also to
determine the fees and taxes.
In the Czech Republic from 1st January 2012 enters into force an novel to Act No. 338/1992 Coll. about
property tax, as amended, published in the Collection of Laws under No. 212/2011 – Land reinforced area as
the subject of land tax.
