How can I safely and effectively use pressure canning to preserve tomato juice?

To safely and effectively use pressure canning to preserve Tomato Juice, follow these steps:

1. Wash and chop tomatoes, then simmer to make juice.
2. Fill sterilized jars with hot juice, leaving space at the top.
3. Place lids and rings on jars, then place in pressure canner.
4. Follow canner instructions for processing time and pressure.
5. Allow jars to cool before checking seals and storing in a cool, dark place.