If I Refuse to Pay That Means They Can't Prosecute Me . . . Right?

I was just looking up something and I stumbled across this gem - In Virginia, if you are convicted you have to pay for the prosecutor's appearance:

SCHEDULE OF FINES, PENALTIES, FEES & COSTS - CRIMINAL PAGE: B-19
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TYPE: COMMONWEALTH'S ATTORNEY FEE
DESCRIPTION: Fee assessed for appearance of the Commonwealth's attorney
REVENUE CODE(S): 119
203 (city or county)
AMOUNT ASSESSED: Included in the fixed fees as provided in Va. Code §§ 17.1-275.1, 275.2, 275.3, 275.4, 275.7, 275.8, 275.9
WHEN/HOW Taxed against and collected from defendant upon conviction.
WHEN COLLECTED: payment is received, the fees are distributed as follows: 1/2 to the Commonwealth (119) and 1/2 to the locality (203).
REFERENCE(S): §§ 15.2-1627.2, 1627.3, §§ 17.1-275.1, 275.2, 275.3, 275.4, 275.7, 275.8, 275.9, Attorney General Opinion to Foreman dated 8/30/90 (1990) page 68