Details
- 
    Type:
Bug
 - 
    Status: Won't Do
 - 
    Priority:
 Important
                    
     - 
    Resolution: Won't Do
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    Affects Version/s: 4.6.26
 - 
    Fix Version/s: None
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    Component/s: CiviContribute
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    Labels:
 
- 
        Versioning Impact:Patch (backwards-compatible bug fixes)
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        Documentation Required?:None
 - 
        Funding Source:Needs Funding
 - 
        Verified?:No
 
Description
Tax applied repeatedly when editing contribution for a Membership which does not use a Priceset:
- Enable sales tax and invoicing for CiviCRM
 - Set up a Membership Type and enable minimum amount. Do not create a Priceset for the Membership
 - Create a Contribution page for the Membership. Do not use a Priceset
 - Use the Contribution page to record a new Membership
 - Locate the Contribution and note the Fee Amount
 - Edit the Contribution, compare the Fee Amount
 - Bug The Fee Amount has changed and includes another Tax calculation, so for example changes from $100 (inc. Tax) to $110 (inc. Tax).
 - If the Contribution is saved then the incorrect Fee amount is also saved.
 
 This is a continuation of --CRM-19966
Agileware Reference SUP-188
Have verified this is not a problem with CiviCRM 4.7.17. Reproducible in CiviCRM 4.6.26