Differential

A government measure tracking price changes for goods and services at the producer level. Subcontractors use it to justify rate increases on long-term contracts when input costs rise. It also supports escalation clause negotiations with operators and prime contractors.

A U.S. federal law requiring prime contractors on government projects to post payment bonds protecting subcontractors and suppliers. If unpaid, subs can file a claim directly against the bond. This provides a critical payment remedy when the prime contractor defaults.

The difference between what a prime contractor charges the client and what they pay the subcontractor for the same scope. A wide price spread reduces your effective rate and margin. Negotiating tighter spreads protects subcontractor profitability on long-term contracts.

When an operator returns a field ticket for correction before approval. Common causes include missing information, rate discrepancies, or insufficient documentation. Rejections delay payment and require rework.

A contract where the client reimburses your actual costs and pays an additional agreed percentage or fee on top. Common in complex field projects where scope is hard to define upfront. Subcontractors must track and document all expenses carefully to get paid accurately.

A directive where a contractor is authorised to begin work before a formal purchase order is issued. The subcontractor agrees on a price verbally or in writing, then mobilises immediately. Common in urgent field situations, but carries payment risk if terms aren't confirmed in writing.

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