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How much is the reminder charge for the customized balance change of Tianjin ICBC savings card?

Use Tianjin savings card/passbook to customize the balance change reminder service, and choose the "e-link" collection method for free; Select the "SMS" receiving method, and charge 3 yuan/month/card (account) on a monthly basis and 30 yuan/year/card (account) on an annual basis. Please refer to the actual charge price for details.