Advanced Search
To find a RIN Number, you can use the Advanced Search option at the top of the main page. From here, use the Full Text option from the drop-down menu.
Example: “RIN 2137-AE05”
![Advanced search for a Regulation Identification Number (RIN) within the Federal Register](https://help.heinonline.org/wp-content/uploads/2022/03/RIN-Num-FR-1024x489.png)
One-Box Search
You can also search using the One-Box search bar at the top of the main page. From here you would type “RIN 2137-AE05” and select the Just search for drop-down option.
![One-box text search for a Regulation Identification Number (RIN) within the Federal Register](https://help.heinonline.org/wp-content/uploads/2022/03/RIN-Num-FR-2.png)
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