Cut point

Dear English experts

I have a question about my below English sentence especially for the word "cut point". It looks vey Chinese English, but it is the best I can get in below sentence. Could you help to find a better word to fit this context or it is already right word. I marked the word which I am not sure in Red.

The new global referral bonus policy is effective as from April 10, 2017, however now is hard to track thetime when the referral occured. I suggest to take referree’s start date 2017/5/8 as the cut point between the new policy and old policy.

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pop00123

The new global referral bonus policy is effective as of April 10, 2017.
You can use either 'as of' or 'from', but not 'as from'.

however, now is hard to track the time when the referral occured.
In this case, it is better to say:
"However, now it is difficult to track the exact date of referral."
...

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vegasoul

The new global referral bonus policy is effective from April 10, 2017. A one-month grace period is recommended. The last date for the old policy will hence be May 8, 2017.

你有很多字也串錯了。例如 referee.

還有the old and the new policies應用複數。

pop00123 發表於 2017-9-12 08:44 PM

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The new global referral bonus policy is effective as of April 10, 2017.
You can use either 'as of'  ...

Thank you so much for the clear answer. Now I learnt how to use "as of" and "cutoff date"....

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vegasoul 發表於 2017-9-22 09:21 PM

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The new global referral bonus policy is effective from April 10, 2017. A one-month grace period is r ...

Thank you for the great example. May I ask that can I just start with "One-month grace period...." instead of "A one-month grace period..."? ...

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miru0909

The new global referral bonus policy is effective as from April 10, 2017, however now it is hard to track the time when the referral "was made". I suggest to take referree’s start date 2017/5/8 as the "cut off date" between the new policy and old policy.

vegasoul 發表於 2017-9-22 09:21 PM

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The new global referral bonus policy is effective from April 10, 2017. A one-month grace period is r ...

I thought they should be referrees and referrers. So the correct spelling is referees and referrers. Cool. appreciate....

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vegasoul

rayyeh 發表於 2017-9-23 08:37 AM

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Thank you for the great example. May I ask that can I just start with "One-month grace period...." ...

冠詞使用規則複雜難以盡說，不過任何一本英語教科書也應有說明。
...

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Understand. Thank you for your advice.