This Payment Policy governs the payment terms and conditions for accessing certain services or making purchases on the Modern Science Journal website. By using our services or making a purchase, you agree to comply with this Payment Policy. If you do not agree with any part of this policy, you may not access the services or make purchases on the Modern Science Journal website.

2.1 Pricing: The prices for services or products offered by Modern Science Journal are displayed on the website and are subject to change without prior notice. All prices are listed in the designated currency and may be subject to applicable taxes or fees.

2.2 Payment Methods: Modern Science Journal accepts payment through various methods, including credit cards, debit cards, and other electronic payment methods. The available payment methods may vary depending on your location and the specific services or products you are purchasing.

2.3 Payment Process: When you make a purchase, you will be required to provide accurate and complete payment information. By providing your payment details, you authorize Modern Science Journal to charge the designated amount to your chosen payment method.

3.1 Subscription Fees: If you subscribe to any recurring services or access content through a subscription model, you agree to pay the applicable subscription fees on a recurring basis. The subscription fees and billing cycle will be clearly stated when you sign up for the subscription.

3.2 Automatic Renewal: Unless you cancel your subscription before the renewal date, your subscription will automatically renew for the same duration and at the then-current subscription fee. You authorize Modern Science Journal to charge your designated payment method for the renewal period.

3.3 Cancellation and Refunds: You may cancel your subscription at any time through your account settings or by contacting customer support. Refunds for subscription fees are generally not provided unless otherwise stated in specific circumstances or as required by applicable law.

4.1 Invoices: If you require an invoice for your purchase, you may request one by contacting customer support and providing the necessary details. Modern Science Journal will make reasonable efforts to provide the requested invoice in a timely manner.

4.2 Receipts: After a successful purchase or payment, you will receive a confirmation or receipt via email. It is your responsibility to retain a copy of the receipt for your records.