Definitions of molecular mass, molecular weight, molar mass and molar weight. Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Clawback has a more general definition. For example, premiums paid on an insurance policy may be refunded (or clawed back) if the policy is cancelled in a certain time frame. Such an arrangement is specified in the contract and referred to as a clawback provision. Clawback. 1. A drop in a security's price after a previous rise. 2. Money that must be refunded or given back for some reason or other. The term especially applies to tax advantages extended to a taxpayer subject to certain conditions that the taxpayer did not fulfill. clawback. 1.
Home Â» Tax planning guide Â» Section 2 â Individuals Â» Old Age Security (OAS) clawback. The government imposes a special taxâthe âclawbackââ on your Old Age Security (OAS) payments if your net income for the year exceeds a certain annual threshold. For 2016, the threshold is $73,756. The amount of the clawback is equal to your OAS payments or 15% of the amount by which your net income exceeds the threshold, whichever is less. For the 2016 year, assuming you start to receive OAS benefits at age 65 (see below) the full amount of the OAS benefit will be eliminated when your net income (including your OAS benefit) is just over $119,400.