The new Constitution, drafted mainly by lawyers of the A.N.C. and the governing National Party, contains assurances to whites and other minorities.

Administration officials said the letter, like others received by Western leaders today, contained assurances that Mr. Yanayev would continue Mr. Gorbachev's policies.

After receiving letters containing such assurances, the governor left the money in the budget.

The Federal Government approves plans only after determining that they contain assurances that the state intends to comply with the provisions of the new welfare law.

Such items would have to be segregated from other medical waste, and the tracking system would have to contain assurances that the source of the waste knows that it has been disposed of properly.

The framework should contain specific assurances that, by appropriate use of the common measure as well as other ways, participants would reduce not only internal support but also export subsidies and import protection in a related way.

The Sino-British Joint Declaration, initialled in September 1984, contained detailed assurances on the future of Hong Kong, with China guaranteeing the continuation of the territory's capitalist economy and life-style for 50 years after 1997.

The Security Council made its first real effort on disarmament in June 1968 when it adopted Resolution 255, which contained assurances for non-nuclear weapon states.

The new deal extends the company's commitment to Manhattan for an additional 10 years, until 2018, and city officials said it contains new assurances that the network will make the investment that it had earlier promised.

The Bahá'í writings contain assurances that after 1000 years, another Manifestation of God will appear to advance human civilization.