IDPA RULE BOOK EFFECTIVE 5/2/01
ENHANCED SERVICE PISTOL DIV.
"Handguns permitted for ESPD must be Single Action or selective SA/DA and be of 9mm (9X19), (9X19),(9X23), .38 Super, .357 Sig, .40 S&W, .41AE, 1o MM Norma, .400 Cor-Bon.".
There is more but in short. "NON-INCLUSIVE list of pistols permitted: (These are just examples of pistols that meet ENHANCED SERVICE PISTOL DIVISION requirements and is NOT meant to be a definitive list of approved pistols.)"
CZ-75.
Competition Rule #14 - Pistols must start from mechanical condition of readiness appropriate to their design. In general, single-action autos will start cocked and locked (ESP & CDP), double-action autos (SSP) will start hammer-down and locked or unlocked. However, unusual designs may be started in other ways. Selective double-action autos may start cocked and locked or hammer down." There is more. But, it applies to the counter used.