EXHIBIT 31.2



Certification
of Chief Financial Officer pursuant to

Section
302 of the Sarbanes-Oxley Act of 2002



I,
Susanne Robertson, certify that:



|1. | I
    have reviewed this annual report on Form 10-K/A for the fiscal year ended April 30, 2015 of REGI U.S., INC. (the “company”);                                                                                                                                                                                                           
|-- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|   |                                                                                                                                                                                                                                                                                                                                              
|2. | Based on my knowledge, this report does not contain
    any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of
    the circumstances under which such statements were made, not misleading with respect to the period covered by this report;                           
|   |                                                                                                                                                                                                                                                                                                                                              
|3. | Based on my knowledge, the financial statements, and
    other financial information included in this report, fairly present in all material respects the financial condition, results
    of operations and cash flows of the company as of, and for, the periods presented in this report;                                                 
|   |                                                                                                                                                                                                                                                                                                                                              
|4. | The company’s other certifying officer(s) and
    I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)
    and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for
    the company and have:
|   |                                                                                                                                                                                                                                                                                                                                              
|   | (a)                                                                                                                                                                                                                                                                                                                                          
|   |                                                                                                                                                                                                                                                                                                                                              
|   | (b)                                                                                                                                                                                                                                                                                                                                          
|   |                                                                                                                                                                                                                                                                                                                                              
|   | (c)                                                                                                                                                                                                                                                                                                                                          
|   |                                                                                                                                                                                                                                                                                                                                              
|   | (d)                                                                                                                                                                                                                                                                                                                                          
|   |                                                                                                                                                                                                                                                                                                                                              
|5. | The company’s other certifying officer(s) and
    I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the company’s
    auditors and the audit committee of the company’s board of directors (or persons performing the equivalent functions):                                            
|   |                                                                                                                                                                                                                                                                                                                                              
|   | (a)                                                                                                                                                                                                                                                                                                                                          
|   |                                                                                                                                                                                                                                                                                                                                              
|   | (b)                                                                                                                                                                                                                                                                                                                                          





|Date:
    July 30 , 2015                       | 
|---------------------------------------------- | 
|                                               | 
|/s/
    “Susanne Robertson”                    | 
|Susanne
    Robertson, Chief Financial Officer |