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A minimum viable consent receipt to document consent on the Internet is intended to serve the same purpose as a receipt for a cash transaction. It will provide a record of a transaction where notice of intent to process personal information is provided and consent for personal data processing is returned. Receiving a consent receipt immediately after a web, mobile or other internet based transaction provides an individual with an opportunity to confirm and, if needed, challenge collection of their personal information. Similarly, the concept consent receipt gives provides the data controller a clear signal as to what they can and cannot do with that person's information. The consent receipt provides protection for both sides against misunderstanding and can demonstrate compliance with regulations in the jurisdiction in which it was issued.

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This specification creates a common format for provisioning consent receipts. The Minimum Viable Consent Receipt Specification will provide organisations with the ability to create and provision a record of consent. Proper construction of a consent receipt will require the record to be based on the minimum notice requirements for the jurisdiction in which the organization is operating (e.g. the jurisdiction of the company operating the data centre controller and internet location where the web servers are consent is located).  

In addition to the specification for the MVCR, this document provides a simple audit and compliance scale to show by example how to assess the extent to which an issued consent receipt (CR) meets the standard of a minimum viable consent receipt. 

The MVCR will be extensible so that it can include items such as extended notice compliance details, operational context, or trusted servicesand utlised as a channel trusted architecture, services and Privacy Enhancing Technology:

  1. Consent notice details can be appended to the MVCR to accommodate different personal data sensitivity, data sharing and additional contextual compliance requirements.  
  2. A context field is a field in the MVCR indicating that there are contextual conditions and exceptions to consent that can be listed and applied by an organisation to the context of receiving consent (e.g. medical emergency overrides).  In the MVCR the context is a flag with yes or no. If yes, the provider is stating that they implement a check list of contextual consent requirements. Additional contexts can also be added to a consent receipt. 
  3. Organisations can append trusted services links/icons to the receipt and further extend the assurance provided to capture multiple consent notice types e.g. cookie, terms of use.

Specification by example (SBE) is a collaborative approach to defining requirements and business-oriented functional tests for software products based on capturing and illustrating requirements using realistic examples instead of abstract statements. It is applied in the context of agile software development methods, in particular behavior-driven development. This approach is particularly successful for managing requirements and functional tests on large-scale projects of significant domain and organisational complexity.[1] (https://en.wikipedia.org/wiki/Behavior-driven_development)

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Glossary

Consent Receipt (CR)A singe single record of notice and consent created at the point where consent was provided or deemed to be provided (and the consent receipt should make clear which is the case).
Data Controller (DC)An entity that processes personally identifiable information on behalf or and in accordance with the instructions of a data subject.
Data Subject (DS)A natural person who is provides consent for the collection, use and disclosure of their personally identiable information.
MinimumA Receipt will contain links to all policies that inform the consent.

Operational Context of Consent

The list of requirements for notice and consent in the jurisdiction and context in which the consent is given.
Personally Identifiable Information (PII)

Any information that (a) can be used to identify the Data Subject to whom such information relates, or (b) is or might be directly or indirectly linked to a Data Subject.

Trusted Services

A provider of Trust or Privacy icons, standard assurance, reputation services, trusted networks, trusted protocols, etc
ViableMeets or exceeds regulatory minimum for notice in the jurisdiction where it is issued

Minimum Viable Consent Requirements

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Open Notice FrameworkThe collection and openning of organisational privacy policies and terms some projects that do this exist already; E.g. TOSSBACK

Minimum Viable Consent Requirements

The Minimum Viable Consent Receipt (MVCR) provides information contained in data fields that are used to link to the consent policy of the Data Controller in effect at the point consent is provided. (see Example1: Personal Cloud Storage of Receipt)

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MVCR enables organizations to self-assert compliance with legislation and their own policies. The open notice (URI) provides this assurance in a transparent manner. To be compliant, a DC provides an auditable self-asserted MVCR which states that the DC will implement the contextual notice requirements listed in that MVCR. Most Data Controllers that identify the information that they collect, specify how it will be used, and that commit to not share personally identiable information with 3rd parties and to not collect sensitive personally identifiable information will be in compliant compliance with most standards. If a DC does share personally identifiable information and/or collects asensitive sensitive personal information, an org can develop a custom extension, use an existing standard or register their consent receipt with  trusted service providers. Trusted Service providers can provide assurances of to and audit frameworks that enable compliance with more stringent and complex obligations for sensitive information and/or 3rd party disclosure.

A MVCR that demonstrates compliance will assure a level of basic regulatory compliance because it and provide a communication channel for consent and notice.  It is a digital record that both parties have. A human readable consent receipt should make sense at a glance, enable one click links or contacts with a data controller contact, and enable easy access to statements about purpose(s) and trust.  This  (Note:Advanced applications would enable in context control of consent and use of data.)  The receipt specifcation focuses on the  minimum visual (human readable) format and a the machine readable versions of the consent receitp can be audited for these data points upon dispute.specified machine readable record that can be aggregated, audited, and visualised. This open format can then be used by other projects to provide a record (visibility to trust services and PETS) In conjunction with other existing systems a consent record can be effective self-regulatory facilitator addressing many challenges with simple transparency of data control. 


MVCR: Consent Notice Fields

Field NameField DescriptionField Purpose / ExplanationReason Field is Required

Cloud Receipt Capture & Sign: Format example in (XDI)

Note: following lines all prepended with ([=]!:uuid:1111/[+]!:uuid:9999)

Data Subject (DS)

Name or pseudonym of the Data Subject at minimum

Data Subject is primary party to consent

Data Subject is the consent contributor and primary party of the consent (which is why this is the first field of the MVCR)

If not signed by Data Subject then its use post consent may be limited.

Data Subject: Alice [=]!:uuid:1111

Address (and jurisdiction) of Data Controller (DC)

Name of the entity issuing the receipt

Should be the entity / organization in receiving the personal data and is responsible for consent compliance.Is the Data Controller and the primary party responsible for administration of the consent and consent receipt

Data Controller: Amazon [+]!:uuid:9999

PurposeThe purposes for which the personal information is being collected.This is a single purpose at minimum linked to the short purpose notice, or policy of purpose.

A purpose notice is a basic and common legal requirement and functionally a requirement of consent.

[#receipt]!:uuid:1234[<#purpose>]<@0>&/&/"We need to process your payment."

[#receipt]!:uuid:1234[<#purpose>]<@1>&/&/"We  need your data to prevent fraud."

[#receipt]!:uuid:1234[<#purpose>]<@2>&/&/"We will advertise to you."

Location of Consent

The location of the consent provision. from which the consent receipt originates.(For example the web page with the consent button. )

This indicates the 'point of consent' - hopefully a button where the user clicked "I agree" or "I consent" (i.e. the biggest lie)

Can be a URI, URL, URN, 

This can also be a physical space where surveillance legal notice requirements exist (EU) - Global Positioning System (GPS)

 

[#receipt]!:uuid:1234<#location><$uri>&/&/"....." 

Sensitive Personal Data Flag (Y/N)Flag to categorise the information collected as sensitive or not (Y/N)Each jurisdiction has classifications of sensitive personal information (privacy): The generally include health, financial, child protection (>14), youth protection(>19 or >22), educational, religious, Union categorisations

If Yes, then additional notice requirements are needed to confirm its compliance status.

If No, then the consent is automatically compliant

[#receipt]!:uuid:1234<#sensitive>&/&/true

Third Party Sharing

Flag whether data is shared with third parties. (Y/N)

If true, then compliance is dependent upon additional notice requirements not present in a MVCR. This can be addressed with the "Third Party Sharing" extension.

If Yes, then additional notice requirements are needed to confirm its compliance status.

If No, then the consent is automatically compliant

[#receipt]!:uuid:1234<#third><parties>&/&/true

TimestampWhen consent was obtainedTo record when the user, either by implication or explicity, granted consent for the purposes described. [#receipt]!:uuid:1234<$t>&/&/"2014-07-13T21:32:52"
Privacy PolicyThe issuing entity's privacy policy (either inline copy, or reference to URI)If not available, should provide a notice that it is missingIs the minmum Policy (or short notice) Needed to create a consent receipt.

[#receipt]!:uuid:1234<#privacy><#policy>&/&/"copy of privacy policy here"

or

 

[#receipt]!:uuid:1234<#privacy><#policy><$uri>&/&/"https://..."

Operational Context FlagFlag wether the Operational Requirements are present or not. (Y/N/Unknown)For the presentation of consent there are contextual and prescriptive requirements in legislation, a check list of these elements is being crated in this draft below.

Consent has contextual compliance requirements for the notice to be sufficent. These depend on the location and format of the consent notices

An organisation displays agreement (or not) to implement these OC requirements and this is reflected on the consent receipt.

 

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Respect Network (RN) Technical Demo:

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Amazon Respect Use Case: With the Respect Network and Open Notice
(Note: Amazon Respect is a Fictitious organisation used here only as an example) 

(http://open-notice.github.io/consent-receipt/amazon-mock/signup.html)

Implementation of consent receipt which is signed & created by a DC and stored in a personal cloud. 

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Trusted Services Appendix

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