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1.1 Portfolio
51 Subscription Portfolio
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1.1.51 Subscription Portfolio
* ZEMA is upgraded to UEM so history can be managed in the normal way.   UEM shares symbolic keys with its parent person, so navigation by drill down is feasible.

Business Rules:
* Before a UEM is inserted, its existence is verified against UAP and other UEM data.   If the UAP says no communications or UEM has opted-out for the given web page, then UEM is not inserted and the message rejected.

Right to be Forgotten:
* Right to be Forgotten is a simple flag at the UAP person record level that is selected to say no communications whatsoever.   All subscriptions can be changed to opted-out as secondary evidence.

1. Overview:
1. All electronic communication must be subject to subscription control; people must be able to subscribe (opt-in) and unsubscribe (opt-out).   Control data is needed to manage when and how people subscribe and unsubscribe to specific types of message.
2. Regulations are concerned with people as staff and customers (and suppliers).   Phase 1 is to manage staff communications and phase 2 is to manage customer relationships.   Phase 1 is to manage subscriptions at the web page number level.

2. Envelope and Letter:
1. Every electronic communication must share the proven envelope and letter method where the letter is any web page or document.   The primary purpose of the envelope is track and trace - every envelope has a unique subscription record to track if the person opts-in or opts-out.
2. Subscription control is simply the build up of envelope evidence as a person subscribes or unsubscribes to any emailed web page.   Subscription operates at the web page level.   A person does not subscribe or unsubscribe to ALL electronic communications.
3. Every envelope has a WHO and WHAT record - subscription is about controlling the WHAT for each specific WHO.   Each WHO person has the right to see their list of WHAT subscriptions with opt-in date, and their list of WHAT unsubscribed opt-out dates.   Shared read-only data is a right and a privilege, and evidence that subscriptions are being managed in an professional way.

3. Life Cycle:
4. Every letter has a fixed life cycle that is managed by the subscription record.   A message can be changed at any time, even after the envelope has been sent.   The letter can be revoked at any time by expiring its life cycle.

4. Subscription Data:
Each subscription record holds WHO, WHAT, WHEN and WHY - each record is the data representation of an envelope.
1. WHO is held as a person key that represents a persons name and mail address.   People tend to have unique mail addresses.   IP and browser instances are retained as evidence.
2. WHAT is held as a web page number that represents a page key and page subject.   Messages must have a page number and subject.   A record key may also be stored to identify in instance of the web page.   A unique message number is also used that is the key to the subscription record.
3. WHEN is the date and time when a subscription or unsubscribe took place.
4. WHY is simply an Opt-In or Opt-Out flag.

5. Extra Data:
5. Details of the person who sent the electronic communications is stored with the sent date and time.   Subscription control is independent of who sent a message.   A message cannot be sent to a person who has unsubscribed from the web page that is about to be sent.
6. Expiry date and time are controlled in the subscription record.
7. URL and subject are carried for lookup identification purposes.

6. Subscription History:
1. Subscription History for a named person is a spreadsheet of opt-in and opt-out records in date order with the applicable web page number and subject.   Every personal dashboard may include a link so the person may view their subscription evidence in date order.