However as of January 1, 2022 these restrictions have been repealed  The state of Oregon reduced the number of methamphetamine lab seizures from 467 in 2004 (the final full year before implementation of the prescription only law) to a new low of 12 in 2009. The decrease in meth lab incidents in Oregon occurred largely before the prescription-only law took effect, according to a NAMSDL report titled Pseudoephedrine Prescription Laws in Oregon and Mississippi. The report posits that the decline in meth lab incidents in both states may be due to other factors: "Mexican traffickers may have contributed to the decline in meth labs in Mississippi and Oregon (and surrounding states) as they were able to provide ample supply of equal or greater quality meth at competitive prices". Additionally, similar decreases in meth lab incidents were seen in surrounding states, according to the report, and meth-related deaths in Oregon have dramatically risen since 2007. Some municipalities in Missouri have enacted similar ordinances, including Washington, Union, New Haven, Cape Girardeau and Ozark. Certain pharmacies in Terre Haute, Indiana do so as well.Another approach to controlling the drug on the state level mandated by some state governments to control the purchases of their citizens is the use of electronic tracking systems, which require the electronic submission of specified purchaser information by all retailers who sell pseudoephedrine.
)In regards to the identification that may be used by an individual buying pseudoephedrine products the following constitute acceptable forms of identification:

US passport
Alien registration or permanent resident card
Unexpired foreign passport with temporary I-551 stamp
Unexpired Employment Authorization Document
Drivers License or Government issued identification card (including Canadian drivers license)
School ID with picture
Voters Registration card
US Military Card
Native American tribal documentsThe requirements were revised in the Methamphetamine Production Prevention Act of 2008 to require that a regulated seller of scheduled listed chemical products may not sell such a product unless the purchaser:
Presents a government issued photographic identification; and
Signs the written logbook with their name, address, and time and date of the sale

State
Most states also have laws regulating pseudoephedrine.The states of Alabama, Arizona, Arkansas, California, Colorado, Delaware, Florida, Georgia, Hawaii (as of May 1, 2009) Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana (as of August 15, 2009), Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Jersey, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia and Wisconsin have laws requiring pharmacies to sell pseudoephedrine "behind the counter". Though the drug can be purchased without a prescription, states can limit the number of units sold and can collect personal information from purchasers. The states of Oregon and Mississippi previously required a prescription for the purchase of products containing pseudoephedrine.