.. _label-uc-contract-remove:

Remove a Contract
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Short Description
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A contract is removed from system.

Actor(s)
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Officer, Customer


Trigger(s)
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- Imports (removing existing data)
- Web form(s) submitted by authorized user


Result(s)
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- Contract data of the given contract and all connected data (contract
  add-ons, etc.) was removed from the system.
- All removed data is archived.


Incoming Data
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- Contract ID

Outgoing Data
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- Message about contract removal
- (optional) Regarding customer is informed by email or SMS.
- Log message
- Archive entry


Precondition(s)
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- Contract ID must exist.
- Submitting user must be authorized to perform the operation.
- Customers can only remove the contract if it has not yet been
  concluded and no transactions have been made.
  If customers accidentally added a contract they can
  subesequently remove it to correct their mistake.


Postcondition(s)
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Invariant(s)
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Essential Steps
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- System validates contract ID.
- Removed data is archived.
- System removes the given contract and connected items (transactions,
  supplementary contracts, etc.).
- (optional) System informs regarding customer (email and/or SMS).


Open Issues
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Remarks
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An ended contract is not the same as a removed contract.


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