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Continue to ChatWASB calls on slot regulators to adopt new principles for 80/20 rule https://ukaviation.news/wasb-calls-on-slot-regulators-to-adopt-new-principles-for-80-20-rule/
WASB calls on slot regulators to adopt new principles for 80/20 rule https://ukaviation.news/wasb-calls-on-slot-regulators-to-adopt-new-principles-for-80-20-rule/