proofreading

[Hanka]

Hi,

could you please proofread the following sentence (especially the highlighted part):

The contractual parties declare that until the registration according to this Article is/has been effected they will refrain from any activities that would result in frustration or impeding of this act.

Thank you very much.

Hanka

[mykwyner]

The contractural parties declare that until the registration, according to this Article, has been effected they will refrain from any activities that would frustrate or impede this act.