If you are stopped by a police officer without having all passengers under the age of 18 properly restrained you can receive a citation and a fine of plus additional court cost?

Yes, if you are stopped by a police officer and have passengers under the age of 18 who are not properly restrained, you can receive a citation. This citation typically comes with a fine, which may be accompanied by additional court costs. The laws regarding seatbelt use and child restraint vary by state, so it's important to be aware of and comply with local regulations to avoid penalties.