Details: File format summary

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Properties

Summary
Name	ZFO (Proof of Delivery) File
Version
Other names
Identifiers	MIME: application/vnd.software602.filler.form-xml-zip PUID: fmt/1245
Family
Classification	Aggregate
Disclosure
Description	This variant of ZFO file is container for proof of delivery of data mailbox messages provided by Česká pošta, s.p. in three versions: 1. proof of delivery; 2. confirmation of delivery; 3. delivery failure. ZFO file is a ZIP archive file (PKCS #7 Cryptographic Message File) composing of the layout structure using XML elements. The whole structure is always embedded into a digital signature represented by XML elements of the XML Signature standard.
Orientation
Byte order
Related file formats	Has priority over PKCS #7 Cryptographic Message File
Technical Environment
Released
Supported until
Format Risk
Developed by	None.
Supported by	None.
Source	The National Archives of the Czech Republic / The National Archives of the Czech Republic
Source date	18 Jan 2020
Source description
Last updated	18 Jan 2020
Note	http://isds.czechpoint.cz/v20/delivery