Elections Leadership roles Policy Bills and public laws introduced •
17th Guam Legislature - Introduced 16 bills, 2 of which became public laws. including Public Law 17-17, which established a 10 year alternative energy plan for Guam. •
18th Guam Legislature - Introduced 21 bills, 1 of which became Public Law 18-26, which approved bond issues on behalf of 2 companies for the Guam Economic Development Authority and for which the Government of Guam disclaimed liability. •
19th Guam Legislature - Introduced 6 public laws, including Public Law 19-31, which raised the minimum wage on Guam to $3.75 on January 1, 1989, and Public Law 19-41 that requires that food, drugs, and consumer commodities be marked with an expiration date if recommended by the manufacturer or distributor. •
20th Guam Legislature - Introduced 73 bills, including Public Law 20-219 which provided a subsidy for essential power coverage.
Unemployment insurance Parkinson introduced unemployment insurance legislation during each of 5 terms: Bill 929 during the 19th, Bill 285 during the 20th, Bill 101 during the 21st, ==Candidacy for Attorney General of Guam==