Many jurisdictions have established regulations and set up sophisticated financial and other monitoring systems to enable law enforcement agencies to uncover illegally obtained funds and detect suspicious transactions or activities. International cooperation arrangements have been set up to assist these endeavors. Many anti-money laundering laws combine The operation of attempting to disguise a set of fraudulently or criminally obtained funds as legal, in operations undeclared to tax authorities, and therefore not subjected to taxation. Money laundering activities are strongly pursued by authorities and in most countries, there are strict rules for credit institutions to cooperate in the fight against money laundering operations, to declare and report any transactions that could be considered suspicious. (which is concerned with the source of funds) with terrorism financing (which is concerned with the destination of funds) when regulating the financial system.