12br 12br 10We need to change; changes are to come in three areas of our operation: operational, administrative and finance. 12br 12blockquote 10 01b 01font 00It's a little unusual, but not wrong, to have the 'colon' part of the sentence following the 'semicolon' part -- it seems a little unbalanced. I think your sentence can be improved by the following.
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01cite10Believer12cite10Hi,12br
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10Please let me know if there can be 11u10any internal punctuation marks12u10 (as long as it is appropriate) in the clause that follows a semicolon.12br
12br
10We need to change; changes are to come in three areas of our operation: operati
01cite10Clive12cite10Hi,12br
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10Another approach is to simply use two sentences, and thus avoid this punctuation problem. This will also make it a little easier for the reader to see your meaning.12br
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11font10We need to make changes. These are to come in three are