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Reverse charge mechanism (RCM), explained

Usually the seller collects GST. Under reverse charge, the buyer pays it directly. Here's when that flips, in plain terms.

By the Launch My Office team · Updated 2026-06-22 · 5 min read

Normally the supplier charges and deposits GST. Under the Reverse Charge Mechanism (RCM), the recipient pays GST directly to the government instead. It applies to specific notified supplies and some purchases from unregistered suppliers.

Common RCM situations

What it means for you

If RCM applies to a purchase, you self-account for the GST in your returns and can usually claim it back as input credit, subject to the rules. It's a paperwork step, not necessarily a cost.

RCM is easy to miss because there's no supplier invoice charging you GST — you have to recognise it yourself. Flag RCM purchases in your bookkeeping.

Get it right in your returns

RCM amounts go in specific fields of your GST returns. Keep a list of recurring RCM purchases so nothing is missed.

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Frequently asked questions

What is reverse charge in GST?

A mechanism where the buyer, not the seller, pays GST to the government on certain notified supplies.

Can I claim RCM GST as input credit?

Usually yes, subject to eligibility rules — but you must self-account for it correctly first.

Does RCM apply to most sellers?

Only for specific notified supplies and certain purchases. Identify which of your purchases attract RCM.

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