Subscriptions

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A Subscription is a Product or Service that is ongoing in nature

Subscriptions are Associated with a Customer and a Billing Contract.

A Subscription can be marked a Billable or a Non-Billable subscription.
A Billable Subscription will appear on the Invoice as a line item
A subscription can have child subscriptions and a Subscription can have Add-On Subscriptions.
Subscription are associated with a Provider
A Subscription has Changes associated with it
A Subscription can be billed through licenses or consumption
A subscription has a Pricing Strategy and an Effective Price that is used for billing based on the associated Pricing Strategy

Status	Meaning
Active	Indicates the subscriptions is in active status
Inactive	It means the subscription is deactivated
Cancelled	The subscription has been terminated
Suspended	The subscription has been paused
Expired	The subscription has reached its end date and is not renewed

//Todo Add a table for Subscription Statuses

//Todo add information relationship with Billing including LCL and Billing Contract. e.g. Subscription is only the current snapshot