Scores of new state laws will take effect Saturday, 90 days after the Maine Legislature’s adjournment. A summary follows:

WATCHING THE WEB

-Unsolicited commercial e-mail – “spam” – must include the designation “ADV” in the subject line, and must include return e-mail addresses.

-Tobacco dealers who use the Internet face new scrutiny so prevent sales to youths.

-Use of state government computers to advocate for a political candidate outlawed.

-Mainers can request free credit reports over the Internet or through toll-free call.

HIGHWAYS, TRAILS, JUNKYARDS

-Driver’s license applicants under 21 must go through a three-step process, including “Cinderella” phase; replaces Maine’s two-tier process.

-Young power sledders riding without helmets face fines up to $500.

-New excessive-noise standard for vehicle exhaust systems.

-Fines for filing late vehicle title applications rise to $125.

-Interstate 95 from Augusta through Houlton named Purple Heart Trail.

-Towns get added authority to control unlicensed junkyards.

BINGO BILLS

-Smoking in bingo and beano halls (not Indian high-stakes games) banned.

-Those running bingo games can temporarily fill in cards of players who use restroom.

DRUG ABUSE

-Prescribers and pharmacists must log prescriptions to prevent abuse of OxyContin and other drugs.

-Penalties increase for furnishing drugs that cause death or serious injuries.

COURTS

-Alternates in civil cases get to participate in verdicts.

-Youths who commit violent crimes subject to DNA testing.

-New crime of intentional sexual contact with minor.

GUNS

-New restrictions are imposed on transferring firearms to youths.

-Judges can bar defendants in some protection from abuse cases from possessing guns.

MISCELLANEOUS

-Bottlers must disclose on labels source of water they sell.

-Hunters who are unable to walk can get free any-deer permits.

-“Plundering at fires” dropped from statutes.