Any violation under this subtitle that is subject to a civil penalty is a civil offense and shall be charged by summons. A summons for a violation under this subtitle that is subject to a civil penalty may be executed by a law-enforcement officer when such violation is observed by such officer. The summons used by a law-enforcement officer pursuant to this section shall be in a form the same as the uniform summons for motor vehicle law violations as prescribed pursuant to § 46.2-388. Any civil penalties collected pursuant to this subtitle shall be deposited into the Drug Offender Assessment and Treatment Fund established pursuant to § 18.2-251.02.