1. ………… Please remit payment by 30 March.
2. ………… We look forward to receiving payment immediately.
3. ………… Our invoice of 10 January for $2143.48 has not been paid yet. Payment was due by 10 February.
4. ………… Please send a full payment no later than 30 September.
5. ………… Your account balance of $145.49 for the invoice dated 19 August was due on 19 September. All accounts are due, in full, within 30 days.
6. …………. Thank you in advance for your anticipated cooperation in this matter.