My father signed up for a one-day trip to Europe on 10 and felt unwell the day before leaving the group. The travel agency will not refund the tour fee. Are there any relevant regulations?

You can quit the league, but you have to deduct a part of the liquidated damages according to the contract. In the travel contract, the tourist is Party A. ..

Article 8 Party A may notify Party B to terminate this contract before the tour starts, but it shall bear the necessary expenses paid by Party B for this tour and pay the liquidated damages according to the following standards:

1. Pay 10% of the balance after deducting the necessary expenses paid by Party B if the notice is given five days before the start of the tour.

2. If notice is given 5-3 days before the start of the tour, Party B shall pay 20% of the balance after deducting the necessary expenses paid by Party B. ..

3. If the notice is given from the 3rd day to the 1 day before the start of the tour, 30% of the balance after deducting the necessary expenses paid by Party B shall be paid.

4. If the notice is given 1 day before the start of the tour, 50% of the balance of all travel expenses after deducting the necessary expenses paid by Party B shall be paid. ..

5. For those who notify or fail to participate in the tour group on or after the start of the tour, pay 100% of the balance after deducting the necessary expenses paid by Party B..

But it still depends on the detailed terms in the contract you signed with the travel agency.