Salaries. Wages for law office managers vary greatly, depending on the size of the firm, the location and a person's experience. The median annual salary for office managers in May 2014, according to the BLS, was $83,790.
If you make payments subject to withholding, you must: register for PAYG withholding with the ATO as soon as you know you need to withhold. withhold amounts from wages and other payments. lodge activity statements and pay the withheld amounts to the ATO. provide payment summaries to all employees and other payees by 14 July.
Completing Form 941. Every time you prepare a Form 941 for the quarter, you must report the number of employees you have, the total wages you paid and the amount of taxes you withheld to arrive at the amount you must send to the IRS.