I found a helpful list of acronyms and definitions with Ohio Surveying related links that I'd like to share with you:

ABET Accreditation Board for Engineering and Technology

ACEC Ohio American Council of Engineering Companies of Ohio

A.C. Ohio Administrative Code OHIO RULES > SEE A.C. CHAPTER 4733

ACSM American Congress on Surveying and Mapping

ASAC Applied Science Accreditation Commission SEE ABET

CEAO County Engineers Association of Ohio

CES Cleveland Engineering Society

EAC Engineering Accreditation Commission SEE ABET

E.I. Engineer Intern

EIT Fundamentals of Engineering exam NO LONGER USED > SEE FE

E.I.T. Engineer in Training NO LONGER USED > SEE E.I.

FE Fundamentals of Engineering exam

FS Fundamentals of Surveying exam

IEEE Institute of Electrical and Electronics Engineers

JCARR Joint Committee on Agency Rule Review

LSC Legislative Service Commission

NCEES National Council of Examiners for Engineering and Surveying

NSPE National Society of Professional Engineers

OHPS Ohio state-specific Principles and Practice of Surveying exam

OSPE Ohio Society of Professional Engineers

PE Principals and Practice of Engineering exam

P.E. Professional Engineer

PLSO Professional Land Surveyors of Ohio

PS Principals and Practice of Surveying exam

P.S. Professional Surveyor

RAC Related Accreditation Commission NO LONGER USED > SEE ASAC > ABET

R.C. Ohio Revised Code OHIO LAWS > SEE R.C. CHAPTER 4733

S.I. Surveyor Intern

SIT Fundamentals of Surveying exam NO LONGER USED > SEE FS

S.I.T. Surveyor in Training NO LONGER USED > SEE S.I.

TAC Technology Accreditation Commission SEE ABET