Consumer complaints can be made by telephone, letter, interview and internet. The law does not clearly stipulate this educational institution, depending on whether an agreement has been signed and how it was agreed. If no agreement is signed or no agreement is signed, the corresponding fees can be refunded according to the principle of fairness.

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Consumer complaints can be made by telephone, letter, interview and internet.

The first is the basic situation of the complainant. That is, the complainant's name, gender, contact address, contact telephone number, postal code, etc.

The second is the basic situation of the respondents. That is, the name, address and telephone number of the defendant.

The third is the time, brand, origin, specification, quantity and price of the goods purchased. The fourth is the specific situation of the damage, the time to find the problem and the process of negotiation with the operator. Fifth, shopping vouchers, warranty cards, copies of agreements, etc.