Deferring revenue in AR till contract becomes active - Contract created from OM

Hi all,

We have a requirement for contracts created from OM. Scenario below.

1) Order in OM has both shippable product and service items

2) Order gets closed and invoice is generated in AR

3)  SC is created in OKS, by running (Service Contracts Order Processing Program).

4) We want to defer the revenue in AR until the service contract becomes active in OKS.

Questions here are

1) When does the SC becomes active ?

2) I may have a start date for the contract at a later point. May be after an year. My requirement is - till then, I should defer the revenue and revenue should be recognized only when the agreement becomes active..