"started to require" is a grammatically correct and commonly used phrase in written English.
It is usually used to indicate that something began to be necessary or mandatory at a specific point in time. Example: The company started to require all employees to complete a training program before they could be promoted to a higher position.
This month, the government has started to require dozens of Internet cafes to register with the government or be closed.
In 2008, the government started to require state-owned firms to regularly review and change their practices to save energy, manage resources more efficiently and cut pollution.
Until accounting rule makers finally started to require it for some financial instruments in 1997 — seven years after the fraud began — covering up the losses was easy.
Last summer, the Labor Department started to require the companies that provide 401(k) plans to disclose more details on fees.
The Chinese government started to require a level of protein in milk, which prompted farmers and other stakeholders to add the compound melamine, which is essentially a poison.
Ms. Matton, a nurse, works at Abington Memorial Hospital, one of hundreds around the country that have started to require that their nurses have at least a bachelor's degree in nursing.
Meantime, ports in China are starting to require strict radiation checks on ships arriving from Japan.
The scandal, now too complicated for most people to follow, starts to require visual explainers, most littered with arrows.
For example, one airline starts to require double miles for domestic trips and other airlines follow suit.
Officials said they would begin distributing Zika test kits in the coming weeks and would start to require health workers to report infections.
Later this year, America will start to require funds to register with the SEC and disclose some of their holdings to regulators.
