In 2009, the IRS announced new flexibility for taxpayers facing payment or collection problems.

FORBES: IRS Easing Up on Liens

The IRS added new flexibility for taxpayers facing payment or collection problems in 2009.

FORBES: New IRS Offer In Compromise Policies

The main difference being that the more traditional model, featuring pro-rata allocation and collection of payment for order flow, is more geared towards one facet of the investing community, comprised in large part by retail investors who are using options limit orders and other very simple strategies.

FORBES: Examining The Options Flash

Google's concluded that it was important to tackle the piracy problem at source by targeted companies which advertise on piracy sites - as well as payment providers that enable the collection of subscription money.

BBC: Google 'in talks to cut funding to illegal piracy sites'

The Autumn Statement documents reveal that the collection will be outsourced on a payment-by-results basis.

BBC: Concerns over tax credit overpayment collection

Most of the time, though, tax liens are steps in the tax collection process and eventually lead to payment.

FORBES: Tax Man Chases Dread Pirate Roberts (like a Rodent of Unusual Size)

DebtConsolidationCare.com, which offers free advice to consumers with debt consolidation questions along with a free debt consolidation calculator, lists eight benefits of debt consolidation, including a single monthly payment, reduction of interest, and stopping collection calls.

FORBES: Financial Chore #3: Consolidate Your Debt

On average, 96% never miss a payment, which can stay on your record for seven years, and only about 1% ever had a collection.

WSJ: Getting Going: How to Score a High Credit Score