Module 43 · Core · 8 min read

The contract terms that drive every bill

You will be able to: List the commercial terms stored on a contract and what each controls; Explain billing by percent complete of each item; Describe the three money lines on a bill: retention, advance recovery, deductions.

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In Zeyto Construction & Contracting the contract is created on the project's Billing tab as a sales order. It posts nothing by itself; it fixes the value and the terms that every later advance, bill and release will use. Each contract line is one item of the breakdown with its amount, and a bill is made by entering the percent complete of each line.

Bill a contract: terms, progress bill and retention · 1:02 · no sound yet, captions are on
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1. Contracts lists every contract with its terms 2. Open Progress Bills from Sales 3. Each bill moves from draft to approved to certified to invoiced 4. Open the Billing tab of a project 5. Billing: the contract terms and the bills 6. Retention shows what the client is holding 7. Variation orders change the contract value 8. Advance Tax Invoices record the advance payment 9. The Finance Hub shows what clients still owe

The Billing tab of a project showing the contract terms such as advance, retention, VAT and payment days, and the progress bills of the project.

Billing tab: the contract and its terms.

Billing tab: the contract and its terms.
TermWhat it controls
Advance %How much of each bill recovers the advance, and the size of the expected advance
Advance recovery basisWhether recovery is a percent of the certified gross, or of the gross after retention
Retention %The share of each certified gross the client withholds
Retention cap % of contractThe most retention that can ever be held, as a share of the contract value
Release at practical completion %The share of retention held that can be claimed at practical completion (the default is 50%)
Defects liability monthsHow long after completion the rest of the retention stays held
Delay damages % per day and cap %Daily rate and the ceiling of liquidated damages
Payment terms (days)Due date of a bill = invoice date + days; drives receivables ageing
Revenue methodA on billing, B percent of completion, C straight line, D point in time (module 5)

Billing by percent of each item

A progress bill lists the contract items. For each one you type the percent complete this period, or Zeyto takes it from the approved progress when you draft the bill from the progress grid. The amount of the line is the item's contract value times the percent of this bill. Three guards protect the bill: the cumulative percent of an item may not exceed 100%, may not exceed the approved physical progress of the item, and a variation line can be billed only after the client approved that variation.

The Contracts register listing each contract with its value, advance, retention and billed to date.

Contracts: value and terms of every contract.

Contracts: value and terms of every contract.
The running contractContract AED 1,000,000 with three items: Substructure 300,000, Superstructure 500,000, Finishes 200,000. Terms: advance 10%, retention 10%, VAT 5%, payment in 30 days. The advance that the client pays is AED 100,000 plus VAT 5,000, AED 105,000 received. This contract is used in the next five lessons.

Three money lines change a bill between the work done and the cash due: retention (withheld), advance recovery (the advance coming back) and deductions (delay damages, back-charges). The next lessons take them one at a time.

Watch outTerms are stored on the contract. If the signed contract says retention is 5% on the first AED 2,000,000 and 10% after, the product has one retention percent per contract. Record the practical rule you will apply and check the first bill by hand.
TipEnter the terms from the contract document, not from memory, and ask a second person to check them before the first bill. A wrong retention percent repeats on every bill until someone notices.

Walk it through

  1. Fill the term table for a contract you know.
  2. Choose an advance recovery basis and defend it from the contract wording.
  3. In the demo, open a project's Billing tab, the Contract and advance section, and see which fields appear when you start a New contract.
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Key takeaways
  • A contract is a sales order that posts nothing; its terms drive every bill.
  • A bill is the percent complete of each contract item, guarded against 100%, approved progress and unapproved variations.
  • Retention, advance recovery and deductions sit between work done and cash due.

Check yourself

3 questions on this lesson. Not timed, not the exam, and you can try again. Score 60% or more, and read the lesson, to complete it.

1. In Zeyto Construction & Contracting, what does the contract (a sales order) post when it is created?

2. A progress bill is made by entering:

3. Which of these are guards on a progress bill?

Select all that apply.

Practice questions for this module · Printable study sheet