Manual E-bill 499.41

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4. Biller processes 4.1 Bill data preparation Bill data are prepared in the biller’s billing system or by a BSP. 4.2 Sorting bills and delivering bill data Based on the subscriber number for e-bill in the customer database, the biller puts the electronic bills through a separate billing run and transmits them in a data format supported by PostFinance to PostFinance (see section 12). If the bills are to be signed digitally by PostFinance or an affiliated network partner, the bill generation process is only complete once the digital signatures have been added. The process of generating bills is therefore completed by PostFinance or a partner system. It is essential to use the bill presentment module (see sections 4.3.1 and 8) because a PDF of the bill is always required. 4.3 Presentment of electronic bill details There are three options for the presentment of bill details: • with bill presentment module (see section 4.3.1) • without bill presentment module (see section 4.3.2) • static bill detail (see section 4.3.4) 4.3.1 Presentment of bill details with bill presentment module In the option with the bill presentment module (see section 8) – the PDF is stored and presented in PostFinance – there are two options: • In addition to the bill data the bill details are also delivered to PostFinance as a PDF file. The biller can choose to integrate the PDF in the corresponding file or to deliver it separately (see section 8.1). • The biller can ask PostFinance to generate the bill details. For this purpose, PostFinance generates a PDF from the submitted data using a standard style sheet (see section 8.2). 4.3.2 Presentment of bill details without bill presentment module In the option without the bill presentment module only the payment-related data and a URL that refers to the bill detail are transmitted to PostFinance. The URL is an encrypted https connection in one of the following formats: • https:/ /w ww.yourcompany.ch/yourbill.php • https:/ /w ww.yourcompany.ch/yourbill.asp Umlauts are not permitted in the URL and are not supported by PostFinance. Bill presentment takes place on the biller’s platform. Manual E-bill Version October 2010 18/64
When the bill recipient calls up the URL, a time stamp and hash value (token) are attached in order to allow the bill recipient to access a bill detail directly and without logging in again. Token structure: Biller-specific password + current time stamp + bill amount Hash algorithm used: SHA-1 The biller-specific password is agreed with the biller and then stored in PostFinance in the biller’s master data. The time on the PostFinance server is used to generate the time stamp (format yyyyMMddhhmmss). Example of a URL with token attached: https:/ /w ww.yourcompany.ch/ebillpresentment/showbill.aspx?individualPara ms=abcd1234&timestamp=20050810143055&token=2d4b92e74b485ecc7 0291ad3e9324b442d4f5d51 The “timestamp” parameter must have the same value as the one in the hash value. The biller has forwarded the URL to PostFinance as follows: https:/ /w ww.yourcompany.ch/ebillpresentment/showbill.aspx?ts=2005081014 3055 When the bill recipient calls up the URL, the biller receives the hash value on his platform and checks whether it matches the one he generated. If the hash value is valid, access to the bill detail is made available for a period defined by the biller. When the timeout occurs, the biller blocks access to the bill detail. This ensures that the URL of the biller’s platform is never visible on the bill recipient’s client. Hyperlinks may only lead to the biller’s page and the bill details may not contain any active elements, e. g. Java Script, ActiveX, etc. The biller is also obliged to have adequate security measures against unauthorized attacks from the Internet in place for its own services (authentication). 4.3.3 Combination of both options with and without the bill presentment module Billers can choose to deliver the bill details either as a PDF as well as via a URL indicating the bill details. In this case, the bill details are presented as follows: • Via e-finance the bill details are called up on the biller’s platform using the URL supplied. • Via data transmission the bill details are always made available to the bill recipients as a PDF. Manual E-bill Version October 2010 19/64
Page 1 and 2: 499.41 en (pf.ch) 10.2010 PF Manual
Page 3 and 4: Contents 1. Service description 6 1
Page 5 and 6: 12. Data formats 43 12.1 BillerID a
Page 7 and 8: The main purpose of e-bill is the f
Page 9 and 10: The following tax-related points mu
Page 11 and 12: Billers can ask PostFinance to forw
Page 13 and 14: 2. Registration processes for bille
Page 15 and 16: 2.4 Service for delivering data to
Page 17: 3.3.1 Registering via e-finance The
Page 21 and 22: 4.7 Searching for bills Billers can
Page 23 and 24: 5. PostFinance processes 5.1 Receip
Page 25 and 26: 6. Bill recipient processes 6.1 Pro
Page 27 and 28: 7. Registration and cancellation Bi
Page 29 and 30: 7.3 Registration and cancellation v
Page 31 and 32: 8. Bill presentment module If the b
Page 33 and 34: The error codes below provide an ov
Page 35 and 36: 10. ISR subscription at PostFinance
Page 37 and 38: Channel E-finance online view yello
Page 39 and 40: The following web services are avai
Page 41 and 42: The following folders are used for
Page 43 and 44: 12. Data formats 12.1 BillerID and
Page 45 and 46: 12.2.1 User data Name Description P
Page 47 and 48: Comments: • For a registration
Page 49 and 50: Combination options for the amount
Page 51 and 52: 12.5.4 Other input or output format
Page 53 and 54: 13.2 Processes relating to bill pro
Page 55 and 56: 13.2.8 Booking and confirming the p
Page 57 and 58: Annex • Service Level Agreement (
Page 59 and 60: E-bill help desk PostFinance has ta
Page 61 and 62: Example of PDFOnly billing Electron
Page 63 and 64: Abbreviations / Terms Description E

Manual E-bill 499.41

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