Learn about forming and registering your business online, and how to complete other types of business filings. Register your business (opens in a new tab).Applications will be pre-screened for completeness and applicant and property eligibility. To form an LLC, a Certificate of Organization is required to be filed with the Corporation Bureau of the. Our business law attorneys in Allegheny and Westmoreland Counties can review all your options when determining business structure and business formation. The applicant is the first individual(s), corporation, business, etc. , to whom vehicle ownership is assigned on the proof of ownership document, which must. The Pennsylvania sales tax rate is 6 percent. The Tax and Utility Bills Office bills and collects real estate, personal property, corporation, and public utility accounts for Allegany County.