Data exchange procedures (DTA or DTAUS) a procedure in the cashless money transfer is called.

So-called DTA files in the DTA format are passed on. These can be stored on magnetic tapes/tape cartridges or disks. The moreover one the possibility exists of transferring the files electronically (even if the name is then no longer completely stimmig, there the physical data medium for exchange is missing). This takes place in the so-called electronic switch (ELS). The exchange of physical data media is called also garage clearing. This designation comes along that the magnetic tapes were exchanged in former times frequently in the underground parkings of the central banks.

The files become on the one hand between credit institutes (banks) and between customer and Kreditinstitut used.

A physical DTA file can consist of several logical DTA files. These again consist of a A-sentence, one or more C-sentences and a E-sentence.

• A-sentence: It designates mainly (next) the goal and the type of the file (bank - > bank or customer - > bank and credit note or debit transactions).
• C-sentence: In the C-sentence the actual reservation is defined (transmitters and receivers accounts, amount and type of the transaction as well as intended purpose data).
• E-sentence: The E-sentence consists of a counter of the C-sentences and check totals (amounts, bank code numbers and account numbers), in order to protect the file against transfer errors.

In order to be able to participate as a customer (e.g. as association) in the data exchange procedure, one needs a program, which can provide a DTA file, and Kreditinstitut, who this receives. Many banks and savings banks offer this service for associations or companies (still).

There is further information with the Federal Bank, the national central banks of the Lands of the Federal Republic or the local banks and savings banks.

Related links

• DTA files with Python provide.
• DTA files: Format definition
• DTA files with PHP provide
• Specifications for the electronic exchange of the German Federal Bank, pdf, starting from page 355 FF
• Formats in the exchange
• DTA files examine and clearly evaluate, (DTA Checker)

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