Public laws, 81st Congress. 770. S. 3659, act to amend title 4 of District of Columbia revenue act of 1937, at amended, so as to provide for issuance of dealers' identification tags for use on trailers, to provide for revocation and suspension of dealers' registration and identification tags, to change fee for dealers' identification tags, to provide for issuance of special use identification tags, and for other purposes.