For Single/Sole Proprietorship – Submit an application, together with the required documents, to the Bureau of Trade Regulation and Consumer Protection (DTI-BTRCP), an office under the Department of Trade & Industry.

For Corporations/Partnerships, Branch and Representative Offices – Submit application forms together with required documents at the Securities and Exchange Commission (SEC).

For Regional Headquarters and Regional Operating Headquarters – Submit application form together with required documents at the Board of Investments.

The Bureau of Internal Revenue (BIR) requires every taxpayer to keep a set of six books of account, to be kept and maintained in its principal place of business.

1. Journal – Accounting entries are recorded in the Journal before the transactions are posted in the general ledger. It contains the following information:
   • Posting date
   • Description of the transaction
   • Accounts to debit and credit and the corresponding amounts.
   • Reference number which may be check numbers, Sales Invoice No., Purchase Order No., etc.


2. General Ledger – It lists the movement (Debit and Credit) of each account in its Chart of Accounts in a given period based on the journal entries in the Journal.


3. Cash receipts book – It is a record of the details of all cash receipts, including receipts for cash sales and collections of accounts receivable and other transactions involving inflow of money. Each entry may include the following details:
   • Accounts to debit or credit and the corresponding amounts
   • Date of record
   • Date of receipt
   • Sales Invoice/Official Receipt number
   • Short description


4. Cash disbursements book – It is a record of the details of all cash disbursements, including disbursements for cash purchases and payments of payables. Each entry may include the following details:
   • Accounts to debit or credit and the corresponding amounts
   • Date of record
   • Date of payment
   • Cheque number (for cheque payments)
   • Sales Invoice/Official Receipt Number
   • Short description


5. Subsidiary Sales Journal – It contains all cash and credit sales. Each entry may include the following details:
   • Accounts to debit or credit and the corresponding amounts
   • Date of record
   • Sales Invoice/Official Receipt Number
   • Sales terms
   • Customer name
   • Short description


6. Subsidiary Purchases Journal – It contains all cash and credit purchases of goods and services. Each entry may include the following details:
   • Accounts to debit or credit and the corresponding amounts
   • Date of record
   • Sales Invoice/Official Receipt Number
   • Sales terms
   • Customer name
   • Short description