The government does 'reposess' the land to some extent through property taxes. Also, the verb you wanted is "reneging" from "renege" - to go back on a promise,

The government does 'reposess' the land to some extent through property taxes. Also, the verb you wanted is "reneging" from "renege" - to go back on a promise, as in when playing cards to go back on a promise to follow suit.