Обещанные документы, которых не уда

Обещанные документы, которых не удалось собрать на визите сайт так и не выслал. При попытках связаться с ними дополнительно оказалось что они недооценили объем работ необходимых для подготовки к аккредитации и сочли нужным на этом этапе извиниться и не соглашаться на проведение данного исследования из-за серезного дефицита времени

Результаты (английский) 1:

The promised documents, which failed to build on a site visit and not sent. When trying to contact them further proved that they underestimated the amount of work necessary to prepare for accreditation and found it fit at this stage to apologize and not to agree to conduct the study because of the serious time constraints

Результаты (английский) 2:

The promised documents, which are not able to collect on the visit of the site and not sent. When trying to contact them further it turned out that they had underestimated the amount of work required to prepare for accreditation and to deem it necessary at this stage to apologize and agree to conduct this study because of the lack of time seriously,

Результаты (английский) 3:

the documents, which don"t have to visit the site and not sent. when attempting to contact them further proved that they underestimated the amount of work needed to prepare for accreditation and considered necessary at this stage to apologize and accept the study because of time constraints серезного