08/04/1976
https://www.presidency.ucsb.edu...
"I am returning without my approval H.R. 6191, 'To amend the Tariff Schedules of the United States to provide that certain forms of zinc be admitted free of duty, and for other purposes.'"
"The decision not to sign this bill has not been an easy one."
"This legislation represents a compromise in the best sense of the term."
"This bill would suspend until June 30, 1977, the present duties on zinc ores and concentrates and zinc-bearing materials."