How is the revenue recognized in accounting for construction companies? What are the daily entries applied to financial operations in contracting accounting?

In contracting accounting, as we mentioned before. Knowledge of government or private processes or abstracts is through direct order or tenders. In all cases

What is the accounting treatment for bank of warrantee letters, and how can we apply it to the contracting company accounting program Accflex? What are the restrictions for issuing a bank of warrantee letters? What are the security services for bank warrantee services?