As a general rule, otc or payout payments are due for a given period after the end of the taking or payment period. Sellers should avoid accepting an indefinite payment date or making payment subject to another act or agreement. As a rule, buyers have the opportunity to get the makeup gas for free at some point in the future. the main contractual conditions used in gas purchase agreements; In the past, the Supreme Court of England and Wales has also considered whether these clauses are prohibited as an excessive penalty that is not compensatory, given that the rule does not allow the enforcement of a contractual sentence against a party who has breached the agreement. .