Tony Abbott's aim to keep parliament's focus on national security and the economy could be overshadowed by leadership tension.
The Liberal Party has a regular meeting scheduled for Tuesday morning, amid speculation of another leadership spill just three weeks after the first failed 39-61.
However, senior Liberals on Friday were talking down the prospect of a second spill motion.
The prime minister will return from New Zealand on Saturday night before a packed parliamentary program.
The government is hoping to secure support for new laws to force telecommunications firms to keep customer data for two years, to better help police and security agencies track down terrorists and organised crime rings.
Intelligence committee chairman Dan Tehan will speak to his inquiry report into the draft laws on Monday before debate in the lower house on Tuesday.
Labor is expected to support the bill with amendments.
Treasurer Joe Hockey will seek to spark a national debate about budget pressures and the economy with the release of the intergenerational report on Thursday.
The five-yearly review by Treasury looks at the impact of demographic change on economic growth, the financial implications of policies and trends over the next four decades.
Question time is expected to be dominated by questions about the government's attack on the credibility of Human Rights Commission president Gillian Triggs.
Independent MP Bob Katter will push his private member's bill to overhaul food labelling on Monday, in the wake of the frozen berry Hepatitis A outbreak.
In the Senate, the government will seek the support of cross benchers to pass laws cracking down on union corruption.
On Thursday, Australian Motoring Enthusiasts Party senator Ricky Muir will deliver his first speech - eight months after he took his seat in the upper house.
The Senate will receive a swag of committee reports on affordable housing, violence against women, digital currency, electricity network companies, private training providers, military justice improvements, retail leasing and invasive species.
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