Update allocate-costs.md

[nrajah04]

limitation with tags

[prmerger-automator[bot]]

@nrajah04 : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[opbld30]

Learn Build status updates of commit 05ba3f3:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
articles/cost-management-billing/costs/allocate-costs.md	:white_check_mark:Succeeded

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[Court72]

@bandersmsft

Can you review the proposed changes? IMPORTANT: When the changes are ready for publication, add a #sign-off comment to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged" @MicrosoftDocs/public-repo-pr-review-team

[bandersmsft]

@nrajah04 Thanks for your proposed update. I'm verifying that your update is good with the Cost Management engineering team before we merge. Thanks.

[bandersmsft]

@nrajah04 I've been speaking to the Cost Management engineering team about this update. It looks like you might have found a bug, so the team is investigating the issue. Because they're unsure of the impact, they don't want the documentation updated yet. For now, we’ll close this pull request. If the team decides that an update is needed for this article, we’ll update it accordingly.

Thank you.

#please-close

[bandersmsft]

@nrajah04 Hi there. The Cost Management + Billing engineering team is able to create cost allocation rules using tags with capitalized letters, so I'm not sure where the problem is. If you are having problems with using upper case tags, we recommend that you create a support request in the Azure portal.