CUSTOM

Thus, in Jett v. Dallas Independent School District, which involved an alleged unwritten custom of racial discrimination, the plaintiff could only establish such a policy or practice by proving that agency policy-makers “caused the deprivation of rights at issue by ... acquiescence in a long-standing practice or custom ...”

in reference to:

"Thus, in Jett v. Dallas Independent School District, which involved an alleged unwritten custom of racial discrimination, the plaintiff could only establish such a policy or practice by proving that agency policy-makers “caused the deprivation of rights at issue by ... acquiescence in a long-standing practice or custom ...”"
- 8.3 Damage Claims Against Cities and Counties Under Section 1983 | Federal Practice Manual for Legal Aid Attorneys (view on Google Sidewiki)