IF AND functions return errors

I want to next multiple IF AND statements into a shingle cell. As far as I know, I am following specific examples I have found elsewhere, so I am expecting them to work. I have tried every combination of spacing, parenthesis, etc, with no luck.

For example, I want:
cell 'MasterData!'$H$38 to return if $B$4=”BMO” & $B$18=”Complete”
OR
cell 'MasterData'!$H$20 to return if $B$4=”BMO” & $B$18=”Basic”

After these conditions work, I will need to add more.

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Result: Formula is missing an opening or closing parenthesis

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Result: I get “Update Values Master Data”dialog, which wants me to open another document.

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Result: I get the “=” sign error

Thank you!

Administrative Note:

We would very much like to help you with your query, however the thread title does not really convey what your request is about. Tell us what you are trying to do, not how you think it should be done.

Please take a moment to amend your thread title. Make sure that the title properly explains your request. Your title should be explicit and not be generic (this includes function names used without an indication of what you are trying to achieve).

Please see Forum Rule #1 about proper thread titles and adjust accordingly. To edit the thread title, open the original post to edit and then click on Go Advanced (bottom right) to access the area where you can edit your title.

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I'll allow the new title.

Ah, sometimes I edit in Word and then copy into Excel. I will try and see what happens! Thank you so much Greg!