Hi MartinJRR,
welcome to the Apple (user-to-user) Community.
Re: "Changed business hours during my vacation" :
" ... set up the notification on Apple Business Connect that I'll be closed ...."
Am no business expert, am an Apple user, like yourself, as we all are in this Community.
Apple Support's online article: Review your company info in Apple Business Connect - Apple Support
Says"
"Edit info for a company
- In Apple Business Connect, sign in with a user that has the role of Administrator.
- If you’re the administrator for more than one company, select the appropriate company from the list.
- Select the company name in the sidebar , then select More next to the company name.
- Edit any changed information, then select Save."
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Re: "options on Apple Business Connect seem quite limited"
If you wish to see improvements, please send feedback to reach those at Apple:
Product Feedback - Apple
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Resource:
Apple Business Connect User Guide - Apple Support
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More info. / support / contact options:
Apple Business Support Webpage or : Find the phone number for your country or region
Business - Official Apple Support
All the best ... (and for your summer vacation!)