Help! subcontract work

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Hi,

My husband is working as a subcontractor for a company and receives weekly payments. I am wondering how I enter this? on the pay stub there is gross pay and net pay (after deductions). i listed the company as a customer, is this right? do i make a sales invoice? which amt would i enter in the sales invoice (gross or net pay?) would i then make a receipt when paid? also wondering how i enter gst (paid by company- on pay stub under earnings). there are also union dues and and other deductions, not sure how i enter this either (would the union dues & deductions go into shareholder account?) 

any help will be greatly appreciated,

Joanne