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I'm reading a document and there is a sentence which is:
Reviews and Authorisations
The people listed have reviewed this document and [upon signing accept] the obligations and conditions set out below
I don't understand the part inside brackets.
I understand upon doing something, but the word accept is a verb, not a noun. How am I to understand it?
Upon signing is a prepositional phrase meaning "with the act of signing". Accept is not the object of the verb sign but the main verb in the sentence's second clause, modified by the prepositional phrase. The sentence might be clearer if it were pointed differently:
The people listed have reviewed this document and, upon signing, accept the obligations and conditions set out below.
It may be paraphrased:
The people listed have reviewed this document. By signing, they accept the obligations and conditions set out below.
