Meaning 1: Patent = open/unblocked. Patent has a medical meaning of open or unblocked, particularly regarding an unblocked tube. Common usage includes a 'patent airway', or 'patent fallopian tubes'.eaning 1: Patent = open/unblocked. Patent has a medical meaning of open or unblocked, particularly regarding an unblocked tube. Common usage includes a 'patent airway', or 'patent fallopian tubes'.
Different rates apply for these taxes. Social Security and Medicare Withholding Rates. The current tax rate for social security is 6.2% for the employer and 6.2% for the employee, or 12.4% total. The current rate for Medicare is 1.45% for the employer and 1.45% for the employee, or 2.9% total.
31% Withholding Tax. Note for Quebec Residents: The provincial withholding rate is 16% added to the CRA withholding tax of 5%, 10% and 15% on withdrawals of under $5,000, $5,000 to $15,000 and over $15,000, respectively. In addition, Quebec withholding tax only applies to single withdrawals from an RRSP.