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Guidelines for Submitting a Request for Interpretation

Submit RFI | RFI Status Lookup


A RFI (also known as a request for an interpretation) is a question submitted to API on the meaning of a requirement in a standard or Recommended Practice. Format for Interpretation:

  • The request shall involve a single subject or closely related subjects.
  • The request shall be stated in a condensed and precise question format.
  • The request shall be composed so that "yes" or "no" (perhaps with provisos) would be a suitable reply.
  • The request statement should be technically and editorially correct.
  • The requestor shall state what they believe the standard requires. If in the requestor's opinion a revision to the standard is needed, they shall provide recommended wording for consideration by the responsible committee.

Note: Committee Responses to requests for interpretation can take up to 12 months.

All fields marked with * must be completed.

  Publication or standard this RFI pertains to  
Publication Type*
Publication Number*
Addendum/Errata   Number  
If Addendum or Errata is selected, a Number must be  provided.
Section Referenced*
(Figure, Table, Equation, etc.)
  RFI details  
  Submitter's contact information  
First Name*
Last Name*
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