"Every morning I buy vegetables from the farmers, tofu from a family in the village, and on many days I buy fish that they've just caught from the stream and brought to sell. They are all small-scale producers, selling directly to me. There are no invoices to issue," he recounted.

According to the owner, he fully supports transparent business practices and is ready to fulfill all tax obligations to the State. However, in reality, many of the restaurant's ingredients are purchased from farmers and small-scale producers.

"If the seller doesn't have an invoice, where am I supposed to get one to declare?" he asked. However, the owner said that, fearing legal violations, he had laid off four of his five employees. The beer quán is now only operating at a minimal level.

The question posed by the beer shop owner turns out to be the question of millions of business owners. Many are struggling with a problem: they need invoices to file tax returns, but the input invoices simply don't exist.

A recent survey by VCCI (Vietnam Chamber of Commerce and Industry) shows that approximately 71% of business households face difficulties in gathering information to issue invoices; nearly 68% have trouble accounting for expenses; over 63% have difficulty understanding tax regulations; and about 62% are confused when filing tax returns.

Their concerns extend beyond tax obligations to include the time required to learn new regulations, the cost of hiring an accountant, investments in software and equipment, and the risk of penalties for incorrect declarations.

Behind those dry statistics lies a reality: what deters many businesses is not the tax obligation, but the obligation to comply.