law
noun
°The body of rules and standards issued by a government, or to be applied by courts and similar authorities.
"By law, one is not allowed to own a wallaby in New York City."
°A particular such rule.
"A new law forbids driving on that road."
synonyms: theorem

observance
noun
°The practice of complying with a law, custom, command or rule.
°The custom of celebrating a holiday or similar occasion.

secure
adjective
°Free from attack or danger; protected.
°Free from the danger of theft; safe.
verb
°To make secure (in all the above senses).

task
noun
°A piece of work done as part of one’s duties.
verb
°To assign a task to, or impose a task on.
synonyms: undertaking, objective, goal, process

co-operation
noun
°alternative spelling of cooperation.

willing
adjective
°Ready to do something that is not (can't be expected as) a matter of course.
"If my boyfriend isn't willing to change his drinking habits, I will split up with him."
noun
°(rare or obsolete) The execution of a will.
synonyms: voluntary, agreeing, consenting, agreeable