" Yes, fine.
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gasper-As shown. Both are OK grammatically.
"You can send the invoices to my account if it is more convenient for you."
"If it is more convenient for you, you can send the invoices to my account."
gasperThe context is for an online/electronic payment so I guess it is fine.Just remember that sending an invoice is sending a request to pay. Sending an invoice is not taking any money from you.