You can visit "Our Volunteers" page here. Over there, you can find information on volunteering in PA.
Go to www.pa.gov.sg > About Us > Annual Reports.
Yes. You may visit https://chingay.org.sg/the-wearhouse. For enquiries and/or renting of costumes, please call 6340 5220 or email to PA_WEARHouse@pa.gov.sg.