LEGAL

Pricing & Payment Terms

Version 2026-09-29-v3 · effective 29/09/2026

Pricing & Payment Terms 1. Scope and customer capacity CheckOpp is designed primarily for B2B/professional users. Paid work may be offered as a published package or on an individual basis after review of a Case and its materials. 2. Individual price and service scope For an individual consultation or other individually scoped work, CheckOpp first reviews the submitted Case materials and then communicates the proposed scope, price and currency, tax treatment where relevant, material limitations and the point at which paid work may begin. Reviewing materials for the purpose of preparing a quote does not by itself authorize paid analytical work. 3. International project teams and specialist / third-party costs For complex or multidisciplinary tasks, a temporary project team may be assembled from independent specialists in different countries. The composition of the team, scope of each specialist's involvement, expected cost and responsibilities are agreed with the client before such work begins. No specialist or other third-party cost is included or incurred without the client's prior agreement for the specific Case. The availability and composition of any such team are determined separately for each Case and are not guaranteed in advance. 4. Client approval is not payment The client's approval of an individual price records acceptance of the proposed commercial terms and permits CheckOpp to issue an invoice. Approval does not mean that the invoice has been paid and does not by itself authorize paid work. 5. Invoice payment After the client approves the individual price, CheckOpp may issue an invoice. An issued invoice, payment instruction, transfer order, screenshot or payment receipt is not treated as confirmed payment until CheckOpp has actually reconciled the payment and records payment confirmation. 6. Work authorization For the CheckOpp invoice flow, paid work is authorized only after payment is confirmed, unless a separate written agreement expressly provides for an earlier start. The work authorization remains linked to the current Case direction and agreed scope. If the Case direction has materially changed, CheckOpp may require the commercial terms to be reconfirmed before authorizing work. 7. Online card payment Online card payment is not currently active. CheckOpp will not present a functional card checkout until an acquiring/payment provider is activated. Invoice payment exists independently of any future card-payment integration. 8. No hidden subscription A one-time service or invoice is not a recurring subscription. Recurring billing will apply only if it is expressly identified and separately agreed before any recurring charge. 9. Taxes and invoice issuer The invoice issuer is OLEKSANDR KORETSKIY PR AGENCIJA ZA TEHNIČKI KONSALTING FUTOG, PIB 115052587, Matični broj 68055407. The business is currently not registered as a Serbian VAT (PDV) payer. The payable currency and total amount are communicated before the client approves the paid scope. Tax treatment may depend on the customer type and transaction and may be updated prospectively if the provider's tax status changes. 10. Order and payment confirmation A paid order is considered commercially agreed when the client has accepted the relevant scope and price or otherwise accepted a written offer. Payment status is a separate fact. A failed, cancelled, unreceived or unreconciled payment does not authorize paid work under the invoice flow. 11. Start of service and consumer rights The point at which paid work starts is stated in the relevant offer, package or order flow. Where mandatory consumer law requires an express request or consent to begin performance before the end of a withdrawal period, that consent will be collected before the relevant work begins. 12. Payment disputes Users should contact office@koretskiy.rs promptly if they believe an invoice, payment record or charge is duplicated, unauthorized or inconsistent with the confirmed order. 13. Refunds and cancellation Refund and cancellation rules are set out in the Cancellation & Refund Policy. Mandatory consumer rights remain unaffected. 14. Governing framework and changes Paid services are supplied by the Serbian CheckOpp service provider and the contractual relationship is governed by the laws of the Republic of Serbia, subject to mandatory consumer protections that cannot lawfully be excluded where a user qualifies as a consumer. Price changes apply prospectively unless the user expressly agrees otherwise for an already-confirmed order. 15. Public Beta / Free Testing Period CheckOpp may designate specific automated workflows as free during a controlled public testing period. A workflow explicitly marked as free during that period is provided without payment and does not create an invoice, payment confirmation, payment reference, or PAID status. Free beta authorization is separate from paid work authorization and does not create any future entitlement to continued free service. The duration of the public testing period is not fixed in advance and is determined by testing results, platform stability and readiness, and the quality of collected feedback. When the public testing period ends, future paid use will be governed by the then-current published pricing and payment rules. Individual Consultation remains separately scoped and individually priced unless complimentary consultation credit is explicitly granted by OWNER. Useful feedback may be considered for such complimentary credit, but no feedback submission creates an automatic or guaranteed entitlement.

Published version: 2026-09-29-v3

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