you mean, besides the fact that one qualifies (1311), and one does not (1431)?
From the NOC descriptions, a Bookkeeper works at a higher level - to claim 1311 most of your responsibilities would have to be simliar to NOC 1311 -
1311
Accounting technicians and bookkeepers maintain complete sets of books, keep records of accounts, verify the procedures used for recording financial transactions, and provide personal bookkeeping services. They are employed throughout the private and public sectors, or they may be self-employed. Main duties:
Keep financial records and establish, maintain and balance various accounts using manual and computerized bookkeeping systems
Post journal entries and reconcile accounts, prepare trial balance of books, maintain general ledgers and prepare financial statements
Calculate and prepare cheques for payrolls and for utility, tax and other bills
Complete and submit tax remittance forms, workers' compensation forms, pension contribution forms and other government documents
Prepare tax returns and perform other personal bookkeeping services
Prepare other statistical, financial and accounting reports.
1431
1Accounting and related clerks calculate, prepare and process bills, invoices, accounts payable and receivable, budgets and other financial records according to established procedures. They are employed throughout the private and public sectors. Main duties:
Calculate, prepare and issue documents related to accounts such as bills, invoices, inventory reports, account statements and other financial statements using computerized and manual systems
Code, total, batch, enter, verify and reconcile transactions such as accounts payable and receivable, payroll, purchase orders, cheques, invoices, cheque requisitions, and bank statements in a ledger or computer system
Compile budget data and documents based on estimated revenues and expenses and previous budgets
Prepare period or cost statements or reports
Calculate costs of materials, overhead and other expenses based on estimates, quotations, and price lists
Respond to customer inquiries, maintain good customer relations and solve problems
Perform related clerical duties, such as word processing, maintaining filing and record systems, faxing and photocopying.