is this correct?

[tessandre]

Witnesseth that as of the 30th day of June 2009, the udersigned, having borrowed certain funds from XYZ company for the purpose of acquiring, rehabilitating and developing a rental housing development, does hereby certigy that:

Should I delete the word "that"? or the word "the"?

Thank you so much!

[beatrice]

Yes both words are required but i have a proper explanation only for 'the'.
'The' is necessary because there is a reference to a specific day and therefore it has to be used.

[Bridget]

In such a text, I wouldn't delete "that" or "the".