If the speed is not indicated on the ticket, you can contest it.
Neither may be required. If the officer's signature is required then the citation may be dismissed. You should contact the court listed on the citation for information .
the police officer gave a citation
GENERALLY speaking, the officer certifies the citation with his signature. If there is a specific place for the officer's signature and he did not sign the citation, you may want to ask the court to dismiss the citation. The officer may be allowed to re-issue the citation, but it is fairly likely that specific ticket is not valid.
Yes. a officer can issue a citation in any location.
it can be discharged
no
The defendant cannot change the citation notice before or after they sign it. The issuing authority (usually officer) completes the citation notice.
If the officer does not appear when required, the citation is usually dismissed. But the officer is not always required.
It usually can be mailed.
Yes, after their investigation they found reason to issue a citation. May also depend on your laws for your state.
When they write you a ticket, but you are not arrested. Examples of this are most traffic violations, i.e. a speeding ticket. More serious crimes will be an arrest, not a citation.
the secretery of defense