во внесудебном порядке(Following receipt and confirmation of your instructions, CPA will work on recovering your monies without recourse to legal action on a "No success – No charge" basis. | ... obligations and the possible legal penalties for non-payment and attempts to persuade debtors to make voluntary payments without recourse to legal action, ... Alexander Demidov)
без обращения к суду(max UK hits. If the defect can be put right by the arbitral tribunal itself, without recourse to the courts, this is a sensible solution. Alexander Demidov)