Mutualist anarchism is concerned with reciprocity, free association, voluntary contract, federation, and credit and currency reform.

In 1984, the government replaced mandatory procurement with voluntary contracts between farmers and the government.

But if you have societies held together by a voluntary social contract among its constituent populations, and by institutions, you don't need one-man rule.

Marriage was redefined as a voluntary contract that conferred rights upon the wife as well as the husband.

He introduced a voluntary "social contract," an innovation in welfare policy under which clients would give the community 20 hours a week.

It's a voluntary contract that each soldier signs.

And isn't that always a voluntary contract?

The majority of international air carriers recognise this and signed a voluntary contract in 1995 in which they dissociate themselves from random liability limits.

I therefore support the proposal to issue legally binding standardised voluntary contracts translated into all the languages.

Workers enter into seemingly voluntary contracts with employers, but underlying this system of apparent cooperation is a vast system of exploitation.