But Chinese laws requires foreign steel makers to team up with local partners.

FATCA requires foreign financial institutions to tell the United States about Americans' offshore financial holdings.

Germany offers a freelance visa that requires foreign workers to pay tax to the state.

Canadian law requires foreign takeovers to bring a "net benefit" to the country.

It also requires foreign firms to surrender the computer code that runs their trading programs.

The Swiss government ordinance requires foreign trading venues to get Swiss recognition for trading Swiss shares.

The deal still must receive regulatory approval from Russia, which requires foreign investors to have Russian partners.

The PBOC notice also requires foreign third-party electronic payment firms to store client data and other financial information in China.

Dealing with the rest of the world requires foreign currency, which has to be earned by exporting goods and services.

Additionally, in oil and gas exploration and production, the government requires foreign investors to co-invest and operate with a Chinese partner.

The country's black empowerment law requires foreign-owned firms to sell at least 51 percent of their shares to local black investors.

That, in turn, requires foreign and domestic investment, which is only possible with policy certainty and rapid movement to a new leadership.

In June, China introduced a new national cybersecurity law that requires foreign firms to store data locally and submit to data surveillance measures.

The controversial "kafala" sponsorship system, used across the Gulf, requires foreign workers to get their employer's consent to change jobs or leave the country.

The law requires foreign financial institutions to tell the tax-collecting IRS about Americans' offshore accounts worth more than $50,000.

It requires foreign financial institutions to tell the U.S. tax authorities about Americans' offshore accounts worth more than $50,000.