appear on their face to be those of authorized signatories,

[Tessy 1]

Пожалуйста, помогите перевести
appear on their face to be those of authorized signatories,

Выражение встречается в следующем контексте:<
Provided that, the signatures reasonably appear on their face to be those of authorized signatories, they shall be deemed for all purposes under this agreement to be the signatures of such authorized persons.

Заранее спасибо

[PERPETRATOR™]

the signatures reasonably appear on their face to be those of authorized signatories =>...подписи похожи на [подписи,] исполненные уполномоченными лицами...

[Armagedo]

appear on their face = по внешним признакам