Pause Calendar-Based Work Requirement for period that Asset is Inactive

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We have a customer who has calendar-based work requirements, but has a requirement to pause the calendar for the period in which the asset is inactive.

For example, they have a Compressor that they service every 90 days. The compressor was last serviced on 7 June 2021, so it's due for service again on the 5 September 2021. Now let's say that the compressor was inactive for 30 days (e.g. it's was in storage or it was being repaired), they want the next service to be due 5 October (30 days later) instead of 5 September. 

The only thing I can think of is manually adjusting the Start Date on the work requirement, each time this happens. So in the example above, I would shift the Start Date to 7 July, so that the next service is 5 October. Does anyone have a better idea?