Sometimes dogs limp or appear to be limping on the paws opposite to the one that actually hurts. If you still can't find anything, you should probably consult your vet. I doubt it's related to getting fixed, but crazier things have happened.
Your legal entities are required to pay payroll tax and social insurance such as social security on your payroll. In Oracle Fusion Applications, you can register payroll statutory units to pay and report on payroll tax and social insurance on behalf of many of your legal entities.
Legal Entity vs. Disregarded Entity. The biggest difference between a corporation and a partnership is who pays taxes on the business income. A corporation is considered a separate legal entity for tax purposes, which means that it must pay annual taxes on the income it receives based on the corporate tax rate. It does this by filing Form 1120 under its Employer Identification Number.