Say it before the work starts
Write the payment terms on the quotation, not only on the invoice. A line such as payment due within 30 days of the invoice date, in Arabic and English, prevents the later claim that nobody agreed to it. For staged work or large orders, state what is due on order, on delivery and on completion, with every amount written in rials down to the baisa.
Make sure the terms are visible on the sales order and the invoice too, worded identically each time. A customer who accepted a quotation with clear terms has little room to claim surprise, and your accounts team has something specific to point to when a polite reminder is needed, instead of a vague memory of a phone call.
A due date on every invoice
Every invoice needs an actual due date, written as a date and not left as a number of days only. Show it in both the Arabic and the English part of the document, so the person who approves payments finds it whichever language they read. TAQNIX ERP follows payment status and due dates, so a list of overdue invoices needs no counting of days.
Add the customer order number and the delivery note or work reference, because an accounts department can only pay an invoice that it can match to its own order. Also check that the customer name on your invoice agrees with the name on their order in both languages, since a mismatch is a common reason for an invoice to wait in a queue.
A polite follow-up routine
Keep the routine the same for every customer so nobody feels singled out. First, a friendly reminder with the invoice attached a few days before the due date. Second, a phone call on the first working day after it passes. Third, if the balance is still open, a statement listing every open invoice, sent to the person who approves payments. Stay courteous, since you hope to work together again.
In many Omani businesses a short call or visit works better than one more message, so make the call part of the routine. After each contact, write down who you spoke to and the date they promised, and ask for a date rather than a general assurance. Take the next step only when that date has passed.
Keep customer balances visible
A follow-up routine is only as good as the list behind it. Each invoice should show unpaid, partly paid or paid, and the list should be sorted by customer and by days overdue. Record payments on the day they arrive, part payments and bank transfers included, so you never chase someone who has already paid.
Look at the balance per customer, not only per invoice. A customer with five small overdue invoices, for example OMR 40.500 in total, deserves one call about the account, not five reminders. Record a credit note for a return against the right invoice, so the balance you quote on the phone is the one the customer expects.
Government and company customers with approval chains
Government bodies and large companies often pass an invoice through several people before payment, and approvals can take time. That is a reason to plan, not to complain. At the start of the job, ask who approves, which documents they expect with the invoice and in which language, and ask for the name of the accounts contact, not only the site engineer.
Submit complete invoices, with the order number, proof of delivery or completion and whatever copies they have asked for, so nothing is sent back for a missing page. Note the date you handed the invoice over and to whom, so your follow-up starts from a known point. For what applies to a particular ministry or company, ask them directly. This post states no rule.
What to check each week
Set aside a fixed slot every week for this list and let one person own it. Contractors waiting on certified stages, consultants billing monthly fees and landlords or property managers collecting rent and service charges all benefit from the same habit, because the longer an invoice sits without a follow-up, the harder it is to collect.
- Invoices past their due date, largest balance first
- Invoices falling due in the next few days, for a friendly reminder
- Promises to pay whose date has passed
- Customers with several open invoices who should receive a statement
- Invoices submitted into approval chains with no news since the last check
General information, not legal or tax advice. Confirm rules with the authority or your accountant.
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