Commercial Disclosure

特定商取引法に基づく表記

Notification based on the Specified Commercial Transactions Act (Japan)

Seller販売業者	ProtocolStack
Representative運営責任者	Han Thien Duc
Address所在地	〒213-0002 Kawasaki City, Takatsu Ward Suward 2-9-27 High Town Tamagawa No.2, Room 311 Japan
Phone電話番号	080-2566-2538
Emailメールアドレス	hanthienduc.96@gmail.com
Business Hours営業時間	Monday - Friday: 9:00 AM - 6:00 PM (JST) Excluding Japanese national holidays
Product/Service販売商品	ProtocolStack subscription service for health protocol tracking and management
Price販売価格	Free Plan: $0 Pro Monthly: $12/month (USD) Pro Annual: $99/year (USD) See Pricing page for details
Additional Fees商品代金以外の必要料金	None. Prices shown are final and include all applicable charges. Internet connection fees are the responsibility of the customer.
Payment Methodsお支払方法	Credit Card (Visa, Mastercard, American Express) Debit Card All payments are securely processed through Stripe.
Payment Timingお支払い時期	Payment is charged immediately upon subscription. Recurring payments are charged automatically at the start of each billing period.
Service Deliveryサービス提供時期	Access to the service is provided immediately upon successful payment confirmation.
Subscription Period契約期間	Monthly subscription: 1 month from purchase date, auto-renews Annual subscription: 12 months from purchase date, auto-renews Subscriptions automatically renew unless cancelled before the renewal date.
Cancellation解約について	You may cancel your subscription at any time from Settings > Subscription Access continues until the end of the current billing period After cancellation, your account reverts to the Free plan
Refund Policy返金について	7-day money-back guarantee for new subscriptions Refund requests within 7 days of initial purchase will be fully refunded Refunds are processed to the original payment method within 5-10 business days After the 7-day period, partial refunds are not available To request a refund, please contact hanthienduc.96@gmail.com
Returns/Exchanges返品・交換について	As this is a digital subscription service, returns and exchanges do not apply. Please see the Refund Policy above.

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Last updated: December 26, 2025