1999 Federal Laws Governing Weightlifting in Prisons by Strength Tech, Inc. The current laws governing weightlifting in federal prisons come from the large annual appropriations bill. The bill provides the Federal Prison system with its operational budget for Oct. 1, 1998 to Sept. 30, 1999 and lists certain things (including weight lifting equipment) that budget money can not be expended for. The restrictions are commonly referred to as the Zimmer Ammendment, and they have been added to the bill for the last several years. When the restrictions first occurred, the Federal Bureau of Prisons responded with a question and...