She refused to accept the money.

Literal

She [topic-は] money [genitive-の] receiving [object-を] refused.

受け取り is the masu-stem-as-noun form of 受け取る ('to accept, receive'), itself a compound verb (受ける 'receive' + 取る 'take'). 拒絶 ('refusal, rejection') is heavier than 断る ('decline politely') — it implies a firm, final pushback. The combination 受け取りを拒絶する is the formal phrasing for 'to refuse acceptance of,' the kind of language you'd see in legal contexts (e.g., refusing service of legal documents), shipping contexts (refusing a parcel), or formal writing.