The notarial sale and purchase agreement will have to be in German, since it must.

http://www.crosschannellawyers.co.uk/wp-content/uploads/Temp...

The registration of seller's ownership rights to the property is performed by the notary attesting the sale and purchase agreement.

http://www.doingbusiness.org/data/exploreeconomies/ukraine/r...

A real estate sale-purchase agreement must be certified by a notary, except instances when contract is concluded in bankruptcy proceedings.

http://www.gencs.eu/news/view/1377

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Note added at 1 hr (2014-03-23 10:22:38 GMT)
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In most case, the notarial sale and purchase agreement includes the disposal of the real estate; ....

http://books.google.co.id/books?id=jfPgRUff_7QC&pg=PA279&lpg...

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Note added at 20 hrs (2014-03-24 05:43:32 GMT)
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In the correct legal terminology, a deed of purchase and sale emphasizes on the transfer process, not the property or goods transferred.