Rules Factory - Modifying existing rules - Scenario 1

Sometimes there is a need to change existing rule behavior starting from specific date.
In this exercise we will use rule "Missing Delay Code". This rule warns if flight is delayed and delay code is not provided within 15 minutes from dep. time.Let's suppose we want to change the rule to warn within 5 minutes instead and the change in rule should be effective starting 1st of JUN 2018.
Please note this is possible in Radio 2.2.x To do so please do following:

1. Open rules factory
2. Locate the existing rule
3. Copy the rule
4. Paste the rule After that, there should be a new rule called "Missing_delay_codes_rule_copy_0"
5. Change display name of the new rule, to something more useful/meaningful
6. Go to Data tab of the new rule, and set effective from date
7. Go to Calculation tab of the new rule, and change 15 minutes to 5 minutes (left click 15 minutes in the expandable area)
8. Go to old rule and set it's effective to date
9. Apply/Test/Save changes