точный и достоверный(Customer may rely upon all such documents and the data therein as being complete and accurate – Заказчик может положиться на такую документацию и на даты, указанные в ней, как на точные и достоверные Valita)
проверять достоверность и полноту(It is advisable to update your database regularly, this will help make sure that your references are accurate and complete. | You must ensure that your Content is accurate and complete, and you must update it on a regular basis to make sure that it remains accurate and complete. Alexander Demidov)