Contingency can be held as reserve for allocating/transferring to project Budgets.
There are three scenarios:
Variations covered by contingency
1. Add Variation
2. Create Budget Transfer for full amount from Contingency budget to main budget
Variations partially covered by contingency
1. Add Variation
2. Create Budget Transfer for partial amount from Contingency budget to main budget
Variations not covered by contingency
1. Add Variation
No budget transfer is created.