Hi kha
Are you uploading QIF files or do you have manually imported statements? If this is the case, there is a known issue about it that is still under investigation.
Another thing you can try is checking the Tax Code on these rules. Go to the browser or app.myob.com >> Banking >> Bank Rules. Make sure that there is also a tax code in the browser. This can cause the bank feeds to not apply as well.

Please feel free to post again. I'm happy to assist further.
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