Iceland
The best sources for information about the Viking legal system are found in Iceland, where it was the most highly documented. The Eyrbyggja Saga, for example, portrays accounts of the compromises made at the Althing. In Chapter 46 of the saga, the arbitrator and his jury facilitate the following settlement:
"It was agreed that the wound Thord Bling received at Alfta Fjord should cancel the one given to Thorodd Snorrason. Mar Hallvardsson's wound and the blow Steinthor gave Snorri the Priest were said to equal the deaths of the three men killed at Alfta Fjord. The killings by Styr, one on either side, cancelled each other out, as did the killings of Bergthor, and the wounds of the Thorbrandssons in the fight on Vigra Fjord. The killing of Freystein Bofi was set against the killing of one of Steinthor's men at Alfta Fjord. Thorleif Kimbi got compensation for the leg he had lost. The killing of one of Snorri's men at Alfta Fjord was matched against the unlawful assault Thorleif Kimbi had committed by starting the fight. All other injuries were evened out, all outstanding differences paid for, and so they parted on friendly terms. Everyone honoured this settlement as long as Steinthor and Snorri were both alive."
In 1117, the Althing decided that all the laws should be written down and this was accomplished at Hafliði Másson's farm over that winter and published the following year. The resulting codex is known as the Gray Goose Laws (Icelandic: Grágás) and they were a collection of laws from the Icelandic Commonwealth period consisting of Icelandic civil laws and the laws governing the Christian church in Iceland.
Read more about this topic: Norse Law