The complaints procedure is clumsy and time-consuming.

申诉程序复杂耗时。

《牛津词典》

A procedure shall be established and maintained for receiving, reviewing, and evaluating complaints.

应建立并维护有关接收、回顾和评估投诉的程序。

youdao

This procedure is applied to all nonconformance's 'identified on site during inspection activity, manufacture and post delivery complaints received from customers.

本程序适用于所有检验和生产期间发现的所有不合格问题，以及交付后客户提出的不合格意见。

youdao

WTO's complaints procedure, however cumbersome, has at least prevented each side from resorting to unilateral actions.

ECONOMIST: Trade disputes

She added that the BDA supported the General Dental Council's (GDC) initiative to create a private complaints procedure.

BBC: Private dentists regulation call

And it's noted the main PRAs have no independent auditing, or complaints procedure to protect against conflict of interest.

BBC: Setting prices crudely