should i create a 'credit invoice' option

[shoulders]

• this is not an industry standard thing but sage does it and I can see how it would make things easy
• should i enable a 'credit invoice' option? where i can refund the whole invoice via a credit note and makes the CR fully filled in, but how should it be linked with the invoice?

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'add sales credit note' button

• vouchers are not copied to sales credit note but should be
• is currently doing 'credit invoice feature'

[shoulders]

yes, do this last